400417540

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{187111}}^1$

素因数の和:187227

約数の個数: 24

約数和(自身を含む): 848740032

約数和(自身を除く): 448322492

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 187111, 374222, 748444, 935555, 1871110, 3742220, 20020877, 40041754, 80083508, 100104385, 200208770, 400417540]

約数ペア:

[(1, 400417540), (2, 200208770), (4, 100104385), (5, 80083508), (10, 40041754), (20, 20020877), (107, 3742220), (214, 1871110), (428, 935555), (535, 748444), (1070, 374222), (2140, 187111)]