280168330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 578285568

約数和(自身を除く): 298117238

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 331, 383, 442, 662, 766, 1105, 1655, 1915, 2210, 3310, 3830, 4303, 4979, 5627, 6511, 8606, 9958, 11254, 13022, 21515, 24895, 28135, 32555, 43030, 49790, 56270, 65110, 73151, 84643, 126773, 146302, 169286, 253546, 365755, 423215, 633865, 731510, 846430, 1267730, 1648049, 2155141, 3296098, 4310282, 8240245, 10775705, 16480490, 21551410, 28016833, 56033666, 140084165, 280168330]

約数ペア:

[(1, 280168330), (2, 140084165), (5, 56033666), (10, 28016833), (13, 21551410), (17, 16480490), (26, 10775705), (34, 8240245), (65, 4310282), (85, 3296098), (130, 2155141), (170, 1648049), (221, 1267730), (331, 846430), (383, 731510), (442, 633865), (662, 423215), (766, 365755), (1105, 253546), (1655, 169286), (1915, 146302), (2210, 126773), (3310, 84643), (3830, 73151), (4303, 65110), (4979, 56270), (5627, 49790), (6511, 43030), (8606, 32555), (9958, 28135), (11254, 24895), (13022, 21515)]