199982660

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{13907}}^1$

素因数の和:14635

約数の個数: 24

約数和(自身を含む): 420577920

約数和(自身を除く): 220595260

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 2876, 3595, 7190, 13907, 14380, 27814, 55628, 69535, 139070, 278140, 9999133, 19998266, 39996532, 49995665, 99991330, 199982660]

約数ペア:

[(1, 199982660), (2, 99991330), (4, 49995665), (5, 39996532), (10, 19998266), (20, 9999133), (719, 278140), (1438, 139070), (2876, 69535), (3595, 55628), (7190, 27814), (13907, 14380)]