2390140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{941}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 5064192

約数和(自身を除く): 2674052

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 941, 1270, 1882, 2540, 3764, 4705, 9410, 18820, 119507, 239014, 478028, 597535, 1195070, 2390140]

約数ペア:

[(1, 2390140), (2, 1195070), (4, 597535), (5, 478028), (10, 239014), (20, 119507), (127, 18820), (254, 9410), (508, 4705), (635, 3764), (941, 2540), (1270, 1882)]