1. An information processing apparatus comprising: a first memory; and a processor coupled to the first memory and configured to: specify a number of virtual machines executed on each node of a plurality of nodes on an information processing system, each node of the plurality of nodes being configured to perform as a plurality of virtual machines, the plurality of nodes each including a plurality of cores and a plurality of second memories, and at least a portion of the plurality of second memories being shared by at least two of the plurality of nodes, and calculate a value indicating a degree of deviation of the number of the virtual machines between the plurality of nodes based on a number of cores and a number of second memories included in each virtual machine of the plurality of virtual machines.