1422800

素因数分解:

$2^4\times 5^2\times {\mathrm{3557}}^1$

素因数の和:3575

約数の個数: 30

約数和(自身を含む): 3419238

約数和(自身を除く): 1996438

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3557, 7114, 14228, 17785, 28456, 35570, 56912, 71140, 88925, 142280, 177850, 284560, 355700, 711400, 1422800]

約数ペア:

[(1, 1422800), (2, 711400), (4, 355700), (5, 284560), (8, 177850), (10, 142280), (16, 88925), (20, 71140), (25, 56912), (40, 35570), (50, 28456), (80, 17785), (100, 14228), (200, 7114), (400, 3557)]