265540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 653184

約数和(自身を除く): 387644

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 71, 85, 110, 142, 170, 187, 220, 284, 340, 355, 374, 710, 748, 781, 935, 1207, 1420, 1562, 1870, 2414, 3124, 3740, 3905, 4828, 6035, 7810, 12070, 13277, 15620, 24140, 26554, 53108, 66385, 132770, 265540]

約数ペア:

[(1, 265540), (2, 132770), (4, 66385), (5, 53108), (10, 26554), (11, 24140), (17, 15620), (20, 13277), (22, 12070), (34, 7810), (44, 6035), (55, 4828), (68, 3905), (71, 3740), (85, 3124), (110, 2414), (142, 1870), (170, 1562), (187, 1420), (220, 1207), (284, 935), (340, 781), (355, 748), (374, 710)]