90547940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646771}}^1$

素因数の和:646787

約数の個数: 24

約数和(自身を含む): 217315392

約数和(自身を除く): 126767452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646771, 1293542, 2587084, 3233855, 4527397, 6467710, 9054794, 12935420, 18109588, 22636985, 45273970, 90547940]

約数ペア:

[(1, 90547940), (2, 45273970), (4, 22636985), (5, 18109588), (7, 12935420), (10, 9054794), (14, 6467710), (20, 4527397), (28, 3233855), (35, 2587084), (70, 1293542), (140, 646771)]