2495740

素因数分解:

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

素因数の和:382

約数の個数: 48

約数和(自身を含む): 5856480

約数和(自身を除く): 3360740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 331, 377, 580, 662, 754, 1324, 1508, 1655, 1885, 3310, 3770, 4303, 6620, 7540, 8606, 9599, 17212, 19198, 21515, 38396, 43030, 47995, 86060, 95990, 124787, 191980, 249574, 499148, 623935, 1247870, 2495740]

約数ペア:

[(1, 2495740), (2, 1247870), (4, 623935), (5, 499148), (10, 249574), (13, 191980), (20, 124787), (26, 95990), (29, 86060), (52, 47995), (58, 43030), (65, 38396), (116, 21515), (130, 19198), (145, 17212), (260, 9599), (290, 8606), (331, 7540), (377, 6620), (580, 4303), (662, 3770), (754, 3310), (1324, 1885), (1508, 1655)]