289341740

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{74959}}^1$

素因数の和:75161

約数の個数: 24

約数和(自身を含む): 610774080

約数和(自身を除く): 321432340

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 74959, 149918, 299836, 374795, 749590, 1499180, 14467087, 28934174, 57868348, 72335435, 144670870, 289341740]

約数ペア:

[(1, 289341740), (2, 144670870), (4, 72335435), (5, 57868348), (10, 28934174), (20, 14467087), (193, 1499180), (386, 749590), (772, 374795), (965, 299836), (1930, 149918), (3860, 74959)]