290772460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1321693}}^1$

素因数の和:1321713

約数の個数: 24

約数和(自身を含む): 666133776

約数和(自身を除く): 375361316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1321693, 2643386, 5286772, 6608465, 13216930, 14538623, 26433860, 29077246, 58154492, 72693115, 145386230, 290772460]

約数ペア:

[(1, 290772460), (2, 145386230), (4, 72693115), (5, 58154492), (10, 29077246), (11, 26433860), (20, 14538623), (22, 13216930), (44, 6608465), (55, 5286772), (110, 2643386), (220, 1321693)]