71143940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{508171}}^1$

素因数の和:508187

約数の個数: 24

約数和(自身を含む): 170745792

約数和(自身を除く): 99601852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 508171, 1016342, 2032684, 2540855, 3557197, 5081710, 7114394, 10163420, 14228788, 17785985, 35571970, 71143940]

約数ペア:

[(1, 71143940), (2, 35571970), (4, 17785985), (5, 14228788), (7, 10163420), (10, 7114394), (14, 5081710), (20, 3557197), (28, 2540855), (35, 2032684), (70, 1016342), (140, 508171)]