995420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 2122848

約数和(自身を除く): 1127428

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 701, 710, 1402, 1420, 2804, 3505, 7010, 14020, 49771, 99542, 199084, 248855, 497710, 995420]

約数ペア:

[(1, 995420), (2, 497710), (4, 248855), (5, 199084), (10, 99542), (20, 49771), (71, 14020), (142, 7010), (284, 3505), (355, 2804), (701, 1420), (710, 1402)]