438080660

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{193841}}^1$

素因数の和:193963

約数の個数: 24

約数和(自身を含む): 928115496

約数和(自身を除く): 490034836

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 193841, 387682, 775364, 969205, 1938410, 3876820, 21904033, 43808066, 87616132, 109520165, 219040330, 438080660]

約数ペア:

[(1, 438080660), (2, 219040330), (4, 109520165), (5, 87616132), (10, 43808066), (20, 21904033), (113, 3876820), (226, 1938410), (452, 969205), (565, 775364), (1130, 387682), (2260, 193841)]