90855940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{648971}}^1$

素因数の和:648987

約数の個数: 24

約数和(自身を含む): 218054592

約数和(自身を除く): 127198652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 648971, 1297942, 2595884, 3244855, 4542797, 6489710, 9085594, 12979420, 18171188, 22713985, 45427970, 90855940]

約数ペア:

[(1, 90855940), (2, 45427970), (4, 22713985), (5, 18171188), (7, 12979420), (10, 9085594), (14, 6489710), (20, 4542797), (28, 3244855), (35, 2595884), (70, 1297942), (140, 648971)]