550343140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{139681}}^1$

素因数の和:139887

約数の個数: 24

約数和(自身を含む): 1161595512

約数和(自身を除く): 611252372

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 139681, 279362, 558724, 698405, 1396810, 2793620, 27517157, 55034314, 110068628, 137585785, 275171570, 550343140]

約数ペア:

[(1, 550343140), (2, 275171570), (4, 137585785), (5, 110068628), (10, 55034314), (20, 27517157), (197, 2793620), (394, 1396810), (788, 698405), (985, 558724), (1970, 279362), (3940, 139681)]