145207180

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{15887}}^1$

素因数の和:16353

約数の個数: 24

約数和(自身を含む): 305621568

約数和(自身を除く): 160414388

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 15887, 31774, 63548, 79435, 158870, 317740, 7260359, 14520718, 29041436, 36301795, 72603590, 145207180]

約数ペア:

[(1, 145207180), (2, 72603590), (4, 36301795), (5, 29041436), (10, 14520718), (20, 7260359), (457, 317740), (914, 158870), (1828, 79435), (2285, 63548), (4570, 31774), (9140, 15887)]