220120670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{285871}}^1$

素因数の和:285896

約数の個数: 32

約数和(自身を含む): 493986816

約数和(自身を除く): 273866146

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 285871, 571742, 1429355, 2001097, 2858710, 3144581, 4002194, 6289162, 10005485, 15722905, 20010970, 22012067, 31445810, 44024134, 110060335, 220120670]

約数ペア:

[(1, 220120670), (2, 110060335), (5, 44024134), (7, 31445810), (10, 22012067), (11, 20010970), (14, 15722905), (22, 10005485), (35, 6289162), (55, 4002194), (70, 3144581), (77, 2858710), (110, 2001097), (154, 1429355), (385, 571742), (770, 285871)]