278889140

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{50341}}^1$

素因数の和:50627

約数の個数: 24

約数和(自身を含む): 587793192

約数和(自身を除く): 308904052

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 50341, 100682, 201364, 251705, 503410, 1006820, 13944457, 27888914, 55777828, 69722285, 139444570, 278889140]

約数ペア:

[(1, 278889140), (2, 139444570), (4, 69722285), (5, 55777828), (10, 27888914), (20, 13944457), (277, 1006820), (554, 503410), (1108, 251705), (1385, 201364), (2770, 100682), (5540, 50341)]