65289740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 140307552

約数和(自身を除く): 75017812

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 197, 227, 292, 365, 394, 454, 730, 788, 908, 985, 1135, 1460, 1970, 2270, 3940, 4540, 14381, 16571, 28762, 33142, 44719, 57524, 66284, 71905, 82855, 89438, 143810, 165710, 178876, 223595, 287620, 331420, 447190, 894380, 3264487, 6528974, 13057948, 16322435, 32644870, 65289740]

約数ペア:

[(1, 65289740), (2, 32644870), (4, 16322435), (5, 13057948), (10, 6528974), (20, 3264487), (73, 894380), (146, 447190), (197, 331420), (227, 287620), (292, 223595), (365, 178876), (394, 165710), (454, 143810), (730, 89438), (788, 82855), (908, 71905), (985, 66284), (1135, 57524), (1460, 44719), (1970, 33142), (2270, 28762), (3940, 16571), (4540, 14381)]