868340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3947}}^1$

素因数の和:3967

約数の個数: 24

約数和(自身を含む): 1989792

約数和(自身を除く): 1121452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3947, 7894, 15788, 19735, 39470, 43417, 78940, 86834, 173668, 217085, 434170, 868340]

約数ペア:

[(1, 868340), (2, 434170), (4, 217085), (5, 173668), (10, 86834), (11, 78940), (20, 43417), (22, 39470), (44, 19735), (55, 15788), (110, 7894), (220, 3947)]