2908867940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13222127}}^1$

素因数の和:13222147

約数の個数: 24

約数和(自身を含む): 6663952512

約数和(自身を除く): 3755084572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 13222127, 26444254, 52888508, 66110635, 132221270, 145443397, 264442540, 290886794, 581773588, 727216985, 1454433970, 2908867940]

約数ペア:

[(1, 2908867940), (2, 1454433970), (4, 727216985), (5, 581773588), (10, 290886794), (11, 264442540), (20, 145443397), (22, 132221270), (44, 66110635), (55, 52888508), (110, 26444254), (220, 13222127)]