#include<cstdio>

long long getCnt(long long a,long long x,long long y){
    //printf("a = %lld\n",a);
    if(a==1){
        if(x!=y) return 0;
        else return x-1;
    }
    else{
        //b-c
        long long k = (x-y)/(a-1);
        //b-c+ab+c = (a+1)b
        long long kk = k+x;
        if(kk%(a+1)) return 0;
        else{
            long long b = kk/(a+1);
            long long c = b-k;
            if(b>0 && c>0) return 1;
            else return 0;
        }
    }
}

int main(){
    int T;
    scanf("%d",&T);
    while(T--){
    long long x,y;
    scanf("%lld%lld",&x,&y);
    long long absDiff = x>y?x-y:y-x;
    long long ans = 0;
    //for a-1
    //a-1 == 0
    for(long long i = 1; i*i <= absDiff; i++){
        //printf("i = %lld\n",i);
        if(absDiff%i==0){
            ans += getCnt(i+1,x,y);
            if(absDiff/i!=i) ans += getCnt((absDiff/i)+1,x,y);
        }
    } 
    printf("%lld\n",ans);
}
    return 0;
}