设第一个正整数为 n,
则:S = (n + n + 98)*99/2 = (n + 49) * 99
易知 n = 4 时,S = 53 * 99 = 53 * 3 * 3 * 11
a + b + c + d = 53 + 3 + 3 + 11 = 70 为最小.
设第一个正整数为 n,
则:S = (n + n + 98)*99/2 = (n + 49) * 99
易知 n = 4 时,S = 53 * 99 = 53 * 3 * 3 * 11
a + b + c + d = 53 + 3 + 3 + 11 = 70 为最小.