218829340

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{13327}}^1$

素因数の和:14157

約数の個数: 24

約数和(自身を含む): 460135872

約数和(自身を除く): 241306532

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 13327, 16420, 26654, 53308, 66635, 133270, 266540, 10941467, 21882934, 43765868, 54707335, 109414670, 218829340]

約数ペア:

[(1, 218829340), (2, 109414670), (4, 54707335), (5, 43765868), (10, 21882934), (20, 10941467), (821, 266540), (1642, 133270), (3284, 66635), (4105, 53308), (8210, 26654), (13327, 16420)]