869247940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3951127}}^1$

素因数の和:3951147

約数の個数: 24

約数和(自身を含む): 1991368512

約数和(自身を除く): 1122120572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3951127, 7902254, 15804508, 19755635, 39511270, 43462397, 79022540, 86924794, 173849588, 217311985, 434623970, 869247940]

約数ペア:

[(1, 869247940), (2, 434623970), (4, 217311985), (5, 173849588), (10, 86924794), (11, 79022540), (20, 43462397), (22, 39511270), (44, 19755635), (55, 15804508), (110, 7902254), (220, 3951127)]