217310020

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{13633}}^1$

素因数の和:14439

約数の個数: 24

約数和(自身を含む): 456957144

約数和(自身を除く): 239647124

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 13633, 15940, 27266, 54532, 68165, 136330, 272660, 10865501, 21731002, 43462004, 54327505, 108655010, 217310020]

約数ペア:

[(1, 217310020), (2, 108655010), (4, 54327505), (5, 43462004), (10, 21731002), (20, 10865501), (797, 272660), (1594, 136330), (3188, 68165), (3985, 54532), (7970, 27266), (13633, 15940)]