215628820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{980131}}^1$

素因数の和:980151

約数の個数: 24

約数和(自身を含む): 493986528

約数和(自身を除く): 278357708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 980131, 1960262, 3920524, 4900655, 9801310, 10781441, 19602620, 21562882, 43125764, 53907205, 107814410, 215628820]

約数ペア:

[(1, 215628820), (2, 107814410), (4, 53907205), (5, 43125764), (10, 21562882), (11, 19602620), (20, 10781441), (22, 9801310), (44, 4900655), (55, 3920524), (110, 1960262), (220, 980131)]