import math
import sys

def main():
    input = sys.stdin.read().split()
    idx = 0
    S = int(input[idx])
    idx += 1
    for _ in range(S):
        X = int(input[idx])
        Y = int(input[idx+1])
        idx += 2
        
        count = 0
        
        # Check if X^2 >=4(Y-1)
        D = X * X - 4 * (Y - 1)
        if D < 0:
            print(0)
            continue
        
        sqrtD = math.isqrt(D)
        if (sqrtD * sqrtD) != D:
            max_A = (X + sqrtD) // 2
        else:
            max_A = (X + sqrtD) // 2
        
        # Iterate A from 2 to max_A
        for A in range(2, max_A + 1):
            numerator = A * X - Y
            if numerator <= 0:
                continue
            denominator = A * A - 1
            if denominator <= 0:
                continue
            if numerator % denominator != 0:
                continue
            B = numerator // denominator
            if B <= 0:
                continue
            C = X - A * B
            if C <= 0:
                continue
            if A * C + B == Y:
                count += 1
        
        print(count)
    
if __name__ == '__main__':
    main()