309903620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1191937}}^1$

素因数の和:1191959

約数の個数: 24

約数和(自身を含む): 700859544

約数和(自身を除く): 390955924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1191937, 2383874, 4767748, 5959685, 11919370, 15495181, 23838740, 30990362, 61980724, 77475905, 154951810, 309903620]

約数ペア:

[(1, 309903620), (2, 154951810), (4, 77475905), (5, 61980724), (10, 30990362), (13, 23838740), (20, 15495181), (26, 11919370), (52, 5959685), (65, 4767748), (130, 2383874), (260, 1191937)]