2222800

素因数分解:

$2^4\times 5^2\times {\mathrm{5557}}^1$

素因数の和:5575

約数の個数: 30

約数和(自身を含む): 5341238

約数和(自身を除く): 3118438

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5557, 11114, 22228, 27785, 44456, 55570, 88912, 111140, 138925, 222280, 277850, 444560, 555700, 1111400, 2222800]

約数ペア:

[(1, 2222800), (2, 1111400), (4, 555700), (5, 444560), (8, 277850), (10, 222280), (16, 138925), (20, 111140), (25, 88912), (40, 55570), (50, 44456), (80, 27785), (100, 22228), (200, 11114), (400, 5557)]