88357640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1123}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 228216960

約数和(自身を除く): 139859320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 1123, 1124, 1405, 1967, 2246, 2248, 2810, 3934, 4492, 5615, 5620, 7861, 7868, 8984, 9835, 11230, 11240, 15722, 15736, 19670, 22460, 31444, 39305, 39340, 44920, 62888, 78610, 78680, 157220, 314440, 315563, 631126, 1262252, 1577815, 2208941, 2524504, 3155630, 4417882, 6311260, 8835764, 11044705, 12622520, 17671528, 22089410, 44178820, 88357640]

約数ペア:

[(1, 88357640), (2, 44178820), (4, 22089410), (5, 17671528), (7, 12622520), (8, 11044705), (10, 8835764), (14, 6311260), (20, 4417882), (28, 3155630), (35, 2524504), (40, 2208941), (56, 1577815), (70, 1262252), (140, 631126), (280, 315563), (281, 314440), (562, 157220), (1123, 78680), (1124, 78610), (1405, 62888), (1967, 44920), (2246, 39340), (2248, 39305), (2810, 31444), (3934, 22460), (4492, 19670), (5615, 15736), (5620, 15722), (7861, 11240), (7868, 11230), (8984, 9835)]