68787740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491341}}^1$

素因数の和:491357

約数の個数: 24

約数和(自身を含む): 165090912

約数和(自身を除く): 96303172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491341, 982682, 1965364, 2456705, 3439387, 4913410, 6878774, 9826820, 13757548, 17196935, 34393870, 68787740]

約数ペア:

[(1, 68787740), (2, 34393870), (4, 17196935), (5, 13757548), (7, 9826820), (10, 6878774), (14, 4913410), (20, 3439387), (28, 2456705), (35, 1965364), (70, 982682), (140, 491341)]