168201220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{764551}}^1$

素因数の和:764571

約数の個数: 24

約数和(自身を含む): 385334208

約数和(自身を除く): 217132988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 764551, 1529102, 3058204, 3822755, 7645510, 8410061, 15291020, 16820122, 33640244, 42050305, 84100610, 168201220]

約数ペア:

[(1, 168201220), (2, 84100610), (4, 42050305), (5, 33640244), (10, 16820122), (11, 15291020), (20, 8410061), (22, 7645510), (44, 3822755), (55, 3058204), (110, 1529102), (220, 764551)]