315280340

素因数分解:

$2^2\times 5^1\times {\mathrm{15764017}}^1$

素因数の和:15764026

約数の個数: 12

約数和(自身を含む): 662088756

約数和(自身を除く): 346808416

約数列:

[1, 2, 4, 5, 10, 20, 15764017, 31528034, 63056068, 78820085, 157640170, 315280340]

約数ペア:

[(1, 315280340), (2, 157640170), (4, 78820085), (5, 63056068), (10, 31528034), (20, 15764017)]