215468660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{979403}}^1$

素因数の和:979423

約数の個数: 24

約数和(自身を含む): 493619616

約数和(自身を除く): 278150956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 979403, 1958806, 3917612, 4897015, 9794030, 10773433, 19588060, 21546866, 43093732, 53867165, 107734330, 215468660]

約数ペア:

[(1, 215468660), (2, 107734330), (4, 53867165), (5, 43093732), (10, 21546866), (11, 19588060), (20, 10773433), (22, 9794030), (44, 4897015), (55, 3917612), (110, 1958806), (220, 979403)]