68013740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 146168064

約数和(自身を除く): 78154324

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 211, 227, 284, 355, 422, 454, 710, 844, 908, 1055, 1135, 1420, 2110, 2270, 4220, 4540, 14981, 16117, 29962, 32234, 47897, 59924, 64468, 74905, 80585, 95794, 149810, 161170, 191588, 239485, 299620, 322340, 478970, 957940, 3400687, 6801374, 13602748, 17003435, 34006870, 68013740]

約数ペア:

[(1, 68013740), (2, 34006870), (4, 17003435), (5, 13602748), (10, 6801374), (20, 3400687), (71, 957940), (142, 478970), (211, 322340), (227, 299620), (284, 239485), (355, 191588), (422, 161170), (454, 149810), (710, 95794), (844, 80585), (908, 74905), (1055, 64468), (1135, 59924), (1420, 47897), (2110, 32234), (2270, 29962), (4220, 16117), (4540, 14981)]