142458280

素因数分解:

$2^3\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{2267}}^1$

素因数の和:3849

約数の個数: 32

約数和(自身を含む): 320876640

約数和(自身を除く): 178418360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1571, 2267, 3142, 4534, 6284, 7855, 9068, 11335, 12568, 15710, 18136, 22670, 31420, 45340, 62840, 90680, 3561457, 7122914, 14245828, 17807285, 28491656, 35614570, 71229140, 142458280]

約数ペア:

[(1, 142458280), (2, 71229140), (4, 35614570), (5, 28491656), (8, 17807285), (10, 14245828), (20, 7122914), (40, 3561457), (1571, 90680), (2267, 62840), (3142, 45340), (4534, 31420), (6284, 22670), (7855, 18136), (9068, 15710), (11335, 12568)]