31434340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1987}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 76148352

約数和(自身を除く): 44714012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 1987, 2260, 3164, 3955, 3974, 7910, 7948, 9935, 13909, 15820, 19870, 27818, 39740, 55636, 69545, 139090, 224531, 278180, 449062, 898124, 1122655, 1571717, 2245310, 3143434, 4490620, 6286868, 7858585, 15717170, 31434340]

約数ペア:

[(1, 31434340), (2, 15717170), (4, 7858585), (5, 6286868), (7, 4490620), (10, 3143434), (14, 2245310), (20, 1571717), (28, 1122655), (35, 898124), (70, 449062), (113, 278180), (140, 224531), (226, 139090), (452, 69545), (565, 55636), (791, 39740), (1130, 27818), (1582, 19870), (1987, 15820), (2260, 13909), (3164, 9935), (3955, 7948), (3974, 7910)]