208580620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{75029}}^1$

素因数の和:75177

約数の個数: 24

約数和(自身を含む): 441176400

約数和(自身を除く): 232595780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 75029, 150058, 300116, 375145, 750290, 1500580, 10429031, 20858062, 41716124, 52145155, 104290310, 208580620]

約数ペア:

[(1, 208580620), (2, 104290310), (4, 52145155), (5, 41716124), (10, 20858062), (20, 10429031), (139, 1500580), (278, 750290), (556, 375145), (695, 300116), (1390, 150058), (2780, 75029)]