124344820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{757}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 268950528

約数和(自身を除く): 144605708

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 191, 215, 382, 430, 757, 764, 860, 955, 1514, 1910, 3028, 3785, 3820, 7570, 8213, 15140, 16426, 32551, 32852, 41065, 65102, 82130, 130204, 144587, 162755, 164260, 289174, 325510, 578348, 651020, 722935, 1445870, 2891740, 6217241, 12434482, 24868964, 31086205, 62172410, 124344820]

約数ペア:

[(1, 124344820), (2, 62172410), (4, 31086205), (5, 24868964), (10, 12434482), (20, 6217241), (43, 2891740), (86, 1445870), (172, 722935), (191, 651020), (215, 578348), (382, 325510), (430, 289174), (757, 164260), (764, 162755), (860, 144587), (955, 130204), (1514, 82130), (1910, 65102), (3028, 41065), (3785, 32852), (3820, 32551), (7570, 16426), (8213, 15140)]