408528020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1201553}}^1$

素因数の和:1201579

約数の個数: 24

約数和(自身を含む): 908374824

約数和(自身を除く): 499846804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1201553, 2403106, 4806212, 6007765, 12015530, 20426401, 24031060, 40852802, 81705604, 102132005, 204264010, 408528020]

約数ペア:

[(1, 408528020), (2, 204264010), (4, 102132005), (5, 81705604), (10, 40852802), (17, 24031060), (20, 20426401), (34, 12015530), (68, 6007765), (85, 4806212), (170, 2403106), (340, 1201553)]