222397780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1010899}}^1$

素因数の和:1010919

約数の個数: 24

約数和(自身を含む): 509493600

約数和(自身を除く): 287095820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1010899, 2021798, 4043596, 5054495, 10108990, 11119889, 20217980, 22239778, 44479556, 55599445, 111198890, 222397780]

約数ペア:

[(1, 222397780), (2, 111198890), (4, 55599445), (5, 44479556), (10, 22239778), (11, 20217980), (20, 11119889), (22, 10108990), (44, 5054495), (55, 4043596), (110, 2021798), (220, 1010899)]