#include <bits/stdc++.h>
using namespace std;
int ss(long long x,long long y){
    long long n,m;
  n=x+y;
  m=x-y;
  long long z=0;
  long long ans=0;
  for(int i=1;m>=i*i;i++){
    if(m%i==0){
      if(n%(i+2)==0){
       if((m/i)%2==(n/(i+2))%2&&(m/i)<=(n/(i+2))){
         ans++;
         
       }
      }
      if(i!=m/i){
        z=m/i;
        if(n%(z+2)==0){
          if((m/z)%2==(n/(z+2))%2&&(m/z)<=(n/(z+2))){
            ans++;
            
          }
        }
      }
    }
  }
  return ans;
}
int main() {
 int s;
  cin>>s;
   assert(1<=s&&s<=10000);
  vector<int> x(s);
  vector<int> y(s);
  for(int i=0;i<s;i++){
    cin>>x.at(i);
    cin>>y.at(i);
  }
  for(int i=0;i<s;i++){
    if(x.at(i)<y.at(i)){
      swap(x.at(i),y.at(i));
    }
    assert(1<=x.at(i)&&x.at(i)<=500000000&&1<=y.at(i)&&y.at(i)<=500000000);
  }
  for(int i=0;i<s;i++){
    cout<<ss(x.at(i),y.at(i))<<endl;
  }
}