388681630

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{1223}}^1$

素因数の和:1812

約数の個数: 32

約数和(自身を含む): 713043648

約数和(自身を除く): 324362018

約数列:

[1, 2, 5, 10, 61, 122, 305, 521, 610, 1042, 1223, 2446, 2605, 5210, 6115, 12230, 31781, 63562, 74603, 149206, 158905, 317810, 373015, 637183, 746030, 1274366, 3185915, 6371830, 38868163, 77736326, 194340815, 388681630]

約数ペア:

[(1, 388681630), (2, 194340815), (5, 77736326), (10, 38868163), (61, 6371830), (122, 3185915), (305, 1274366), (521, 746030), (610, 637183), (1042, 373015), (1223, 317810), (2446, 158905), (2605, 149206), (5210, 74603), (6115, 63562), (12230, 31781)]