405620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 902664

約数和(自身を除く): 497044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1193, 2386, 4772, 5965, 11930, 20281, 23860, 40562, 81124, 101405, 202810, 405620]

約数ペア:

[(1, 405620), (2, 202810), (4, 101405), (5, 81124), (10, 40562), (17, 23860), (20, 20281), (34, 11930), (68, 5965), (85, 4772), (170, 2386), (340, 1193)]