68705380

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{7517}}^1$

素因数の和:7983

約数の個数: 24

約数和(自身を含む): 144616248

約数和(自身を除く): 75910868

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 7517, 9140, 15034, 30068, 37585, 75170, 150340, 3435269, 6870538, 13741076, 17176345, 34352690, 68705380]

約数ペア:

[(1, 68705380), (2, 34352690), (4, 17176345), (5, 13741076), (10, 6870538), (20, 3435269), (457, 150340), (914, 75170), (1828, 37585), (2285, 30068), (4570, 15034), (7517, 9140)]