644440030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3637}}^1$

素因数の和:3733

約数の個数: 64

約数和(自身を含む): 1320157440

約数和(自身を除く): 675717410

約数列:

[1, 2, 5, 10, 13, 26, 29, 47, 58, 65, 94, 130, 145, 235, 290, 377, 470, 611, 754, 1222, 1363, 1885, 2726, 3055, 3637, 3770, 6110, 6815, 7274, 13630, 17719, 18185, 35438, 36370, 47281, 88595, 94562, 105473, 170939, 177190, 210946, 236405, 341878, 472810, 527365, 854695, 1054730, 1371149, 1709390, 2222207, 2742298, 4444414, 4957231, 6855745, 9914462, 11111035, 13711490, 22222070, 24786155, 49572310, 64444003, 128888006, 322220015, 644440030]

約数ペア:

[(1, 644440030), (2, 322220015), (5, 128888006), (10, 64444003), (13, 49572310), (26, 24786155), (29, 22222070), (47, 13711490), (58, 11111035), (65, 9914462), (94, 6855745), (130, 4957231), (145, 4444414), (235, 2742298), (290, 2222207), (377, 1709390), (470, 1371149), (611, 1054730), (754, 854695), (1222, 527365), (1363, 472810), (1885, 341878), (2726, 236405), (3055, 210946), (3637, 177190), (3770, 170939), (6110, 105473), (6815, 94562), (7274, 88595), (13630, 47281), (17719, 36370), (18185, 35438)]