2116795420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1490701}}^1$

素因数の和:1490781

約数の個数: 24

約数和(自身を含む): 4507882848

約数和(自身を除く): 2391087428

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1490701, 2981402, 5962804, 7453505, 14907010, 29814020, 105839771, 211679542, 423359084, 529198855, 1058397710, 2116795420]

約数ペア:

[(1, 2116795420), (2, 1058397710), (4, 529198855), (5, 423359084), (10, 211679542), (20, 105839771), (71, 29814020), (142, 14907010), (284, 7453505), (355, 5962804), (710, 2981402), (1420, 1490701)]