{"trustable":false,"sections":[{"title":"","value":{"format":"PLAIN","content":"给定一个面积为a的矩形,求有多少种整数的边的组合可以组成面积为a的矩形,且矩形的最短边长度大于等于b。注意,(x,y)和(y,x)属于同一种组合。"}},{"title":"Input","value":{"format":"PLAIN","content":"第一行一个整数T(≤4000),表示数据组数。\n\n接下来n行,每行两个整数a,b,(1≤ b≤ a≤ 10^12),其中a为矩形面积,b为最小边长。"}},{"title":"Output","value":{"format":"PLAIN","content":"对于每组a,b,输出矩形个数。注意输出样例的输出格式,注意冒号后面有空格。"}},{"title":"Sample Input","value":{"format":"PLAIN","content":"2\n10 2\n12 2\n"}},{"title":"Sample Output","value":{"format":"PLAIN","content":"Case 1: 1\nCase 2: 2\n"}}]}