201399620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{529999}}^1$

素因数の和:530027

約数の個数: 24

約数和(自身を含む): 445200000

約数和(自身を除く): 243800380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 529999, 1059998, 2119996, 2649995, 5299990, 10069981, 10599980, 20139962, 40279924, 50349905, 100699810, 201399620]

約数ペア:

[(1, 201399620), (2, 100699810), (4, 50349905), (5, 40279924), (10, 20139962), (19, 10599980), (20, 10069981), (38, 5299990), (76, 2649995), (95, 2119996), (190, 1059998), (380, 529999)]