30655940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{218971}}^1$

素因数の和:218987

約数の個数: 24

約数和(自身を含む): 73574592

約数和(自身を除く): 42918652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 218971, 437942, 875884, 1094855, 1532797, 2189710, 3065594, 4379420, 6131188, 7663985, 15327970, 30655940]

約数ペア:

[(1, 30655940), (2, 15327970), (4, 7663985), (5, 6131188), (7, 4379420), (10, 3065594), (14, 2189710), (20, 1532797), (28, 1094855), (35, 875884), (70, 437942), (140, 218971)]