90406430

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 166053888

約数和(自身を除く): 75647458

約数列:

[1, 2, 5, 10, 71, 142, 223, 355, 446, 571, 710, 1115, 1142, 2230, 2855, 5710, 15833, 31666, 40541, 79165, 81082, 127333, 158330, 202705, 254666, 405410, 636665, 1273330, 9040643, 18081286, 45203215, 90406430]

約数ペア:

[(1, 90406430), (2, 45203215), (5, 18081286), (10, 9040643), (71, 1273330), (142, 636665), (223, 405410), (355, 254666), (446, 202705), (571, 158330), (710, 127333), (1115, 81082), (1142, 79165), (2230, 40541), (2855, 31666), (5710, 15833)]