1520787940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10862771}}^1$

素因数の和:10862787

約数の個数: 24

約数和(自身を含む): 3649891392

約数和(自身を除く): 2129103452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10862771, 21725542, 43451084, 54313855, 76039397, 108627710, 152078794, 217255420, 304157588, 380196985, 760393970, 1520787940]

約数ペア:

[(1, 1520787940), (2, 760393970), (4, 380196985), (5, 304157588), (7, 217255420), (10, 152078794), (14, 108627710), (20, 76039397), (28, 54313855), (35, 43451084), (70, 21725542), (140, 10862771)]