28701010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 60238080

約数和(自身を除く): 31537070

約数列:

[1, 2, 5, 10, 13, 23, 26, 29, 46, 58, 65, 115, 130, 145, 230, 290, 299, 331, 377, 598, 662, 667, 754, 1334, 1495, 1655, 1885, 2990, 3310, 3335, 3770, 4303, 6670, 7613, 8606, 8671, 9599, 15226, 17342, 19198, 21515, 38065, 43030, 43355, 47995, 76130, 86710, 95990, 98969, 124787, 197938, 220777, 249574, 441554, 494845, 623935, 989690, 1103885, 1247870, 2207770, 2870101, 5740202, 14350505, 28701010]

約数ペア:

[(1, 28701010), (2, 14350505), (5, 5740202), (10, 2870101), (13, 2207770), (23, 1247870), (26, 1103885), (29, 989690), (46, 623935), (58, 494845), (65, 441554), (115, 249574), (130, 220777), (145, 197938), (230, 124787), (290, 98969), (299, 95990), (331, 86710), (377, 76130), (598, 47995), (662, 43355), (667, 43030), (754, 38065), (1334, 21515), (1495, 19198), (1655, 17342), (1885, 15226), (2990, 9599), (3310, 8671), (3335, 8606), (3770, 7613), (4303, 6670)]