390147340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1773397}}^1$

素因数の和:1773417

約数の個数: 24

約数和(自身を含む): 893792592

約数和(自身を除く): 503645252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1773397, 3546794, 7093588, 8866985, 17733970, 19507367, 35467940, 39014734, 78029468, 97536835, 195073670, 390147340]

約数ペア:

[(1, 390147340), (2, 195073670), (4, 97536835), (5, 78029468), (10, 39014734), (11, 35467940), (20, 19507367), (22, 17733970), (44, 8866985), (55, 7093588), (110, 3546794), (220, 1773397)]