208045660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{2539}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 464698080

約数和(自身を除く): 256652420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 241, 340, 482, 964, 1205, 2410, 2539, 4097, 4820, 5078, 8194, 10156, 12695, 16388, 20485, 25390, 40970, 43163, 50780, 81940, 86326, 172652, 215815, 431630, 611899, 863260, 1223798, 2447596, 3059495, 6118990, 10402283, 12237980, 20804566, 41609132, 52011415, 104022830, 208045660]

約数ペア:

[(1, 208045660), (2, 104022830), (4, 52011415), (5, 41609132), (10, 20804566), (17, 12237980), (20, 10402283), (34, 6118990), (68, 3059495), (85, 2447596), (170, 1223798), (241, 863260), (340, 611899), (482, 431630), (964, 215815), (1205, 172652), (2410, 86326), (2539, 81940), (4097, 50780), (4820, 43163), (5078, 40970), (8194, 25390), (10156, 20485), (12695, 16388)]