399148510

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{562181}}^1$

素因数の和:562259

約数の個数: 16

約数和(自身を含む): 728587872

約数和(自身を除く): 329439362

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 562181, 1124362, 2810905, 5621810, 39914851, 79829702, 199574255, 399148510]

約数ペア:

[(1, 399148510), (2, 199574255), (5, 79829702), (10, 39914851), (71, 5621810), (142, 2810905), (355, 1124362), (710, 562181)]