168493820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{765881}}^1$

素因数の和:765901

約数の個数: 24

約数和(自身を含む): 386004528

約数和(自身を除く): 217510708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 765881, 1531762, 3063524, 3829405, 7658810, 8424691, 15317620, 16849382, 33698764, 42123455, 84246910, 168493820]

約数ペア:

[(1, 168493820), (2, 84246910), (4, 42123455), (5, 33698764), (10, 16849382), (11, 15317620), (20, 8424691), (22, 7658810), (44, 3829405), (55, 3063524), (110, 1531762), (220, 765881)]