222800

素因数分解:

$2^4\times 5^2\times {\mathrm{557}}^1$

素因数の和:575

約数の個数: 30

約数和(自身を含む): 536238

約数和(自身を除く): 313438

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 557, 1114, 2228, 2785, 4456, 5570, 8912, 11140, 13925, 22280, 27850, 44560, 55700, 111400, 222800]

約数ペア:

[(1, 222800), (2, 111400), (4, 55700), (5, 44560), (8, 27850), (10, 22280), (16, 13925), (20, 11140), (25, 8912), (40, 5570), (50, 4456), (80, 2785), (100, 2228), (200, 1114), (400, 557)]