210880940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{144439}}^1$

素因数の和:144521

約数の個数: 24

約数和(自身を含む): 448919520

約数和(自身を除く): 238038580

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 144439, 288878, 577756, 722195, 1444390, 2888780, 10544047, 21088094, 42176188, 52720235, 105440470, 210880940]

約数ペア:

[(1, 210880940), (2, 105440470), (4, 52720235), (5, 42176188), (10, 21088094), (20, 10544047), (73, 2888780), (146, 1444390), (292, 722195), (365, 577756), (730, 288878), (1460, 144439)]