211035620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{620693}}^1$

素因数の和:620719

約数の個数: 24

約数和(自身を含む): 469244664

約数和(自身を除く): 258209044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 620693, 1241386, 2482772, 3103465, 6206930, 10551781, 12413860, 21103562, 42207124, 52758905, 105517810, 211035620]

約数ペア:

[(1, 211035620), (2, 105517810), (4, 52758905), (5, 42207124), (10, 21103562), (17, 12413860), (20, 10551781), (34, 6206930), (68, 3103465), (85, 2482772), (170, 1241386), (340, 620693)]