#include<bits/stdc++.h>
using namespace std;
#define endl ("\n")
#define mp make_pair
#define fi first
#define se second
#define pb push_back 
#define ll long long
#define llu long long unsigned
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define inpotp freopen("input.txt", "r", stdin);     freopen("output.txt", "w", stdout);
#define fr(i,n) for(int i=0;i<n;i++)
#define fr1(i,n) for(int i=1;i<=n;i++)
#define rfr(i,n) for(int i=n-1;i>=0;i--)
#define all(x) x.begin(), x.end()
#define clr(x) memset(x, 0, sizeof(x))
#define sortall(x) sort(all(x))
#define tr(it, a) for(auto it = a.begin(); it != a.end(); it++)
#define PI 3.1415926535897932384626
#define prdb(x) cout << fixed << setprecision(10) << x
#define sc(a) scanf("%d",&a)
#define pf(a) printf("%d",a)
#define cs(a) cout<<a<<' '
#define cn(a) cout<<a<<'\n'
#define ub(a,v) upper_bound(a.begin(), a.end(), v)
#define lb(a,v) lower_bound(a.begin(), a.end(), v)

int main()
{
    fast
    int t=1;
    cin>>t;
    while(t--){
        ll x,y;
        cin>>x>>y;
        ll ans=0;
        for(ll i=1;i*i<x;i++){
            ans+=max((ll)0,min((y-i),((x-(i*(i+1)))/i)));
        }
        cout<<ans<<endl;
    }
    
    return 0;
    
}