171808460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{505319}}^1$

素因数の和:505345

約数の個数: 24

約数和(自身を含む): 382021920

約数和(自身を除く): 210213460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 505319, 1010638, 2021276, 2526595, 5053190, 8590423, 10106380, 17180846, 34361692, 42952115, 85904230, 171808460]

約数ペア:

[(1, 171808460), (2, 85904230), (4, 42952115), (5, 34361692), (10, 17180846), (17, 10106380), (20, 8590423), (34, 5053190), (68, 2526595), (85, 2021276), (170, 1010638), (340, 505319)]