211323580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28027}}^1$

素因数の和:28078

約数の個数: 48

約数和(自身を含む): 494413920

約数和(自身を除く): 283090340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 28027, 56054, 112108, 140135, 280270, 364351, 560540, 728702, 812783, 1457404, 1625566, 1821755, 3251132, 3643510, 4063915, 7287020, 8127830, 10566179, 16255660, 21132358, 42264716, 52830895, 105661790, 211323580]

約数ペア:

[(1, 211323580), (2, 105661790), (4, 52830895), (5, 42264716), (10, 21132358), (13, 16255660), (20, 10566179), (26, 8127830), (29, 7287020), (52, 4063915), (58, 3643510), (65, 3251132), (116, 1821755), (130, 1625566), (145, 1457404), (260, 812783), (290, 728702), (377, 560540), (580, 364351), (754, 280270), (1508, 140135), (1885, 112108), (3770, 56054), (7540, 28027)]