200905790

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{84061}}^1$

素因数の和:84307

約数の個数: 16

約数和(自身を含む): 363147840

約数和(自身を除く): 162242050

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 84061, 168122, 420305, 840610, 20090579, 40181158, 100452895, 200905790]

約数ペア:

[(1, 200905790), (2, 100452895), (5, 40181158), (10, 20090579), (239, 840610), (478, 420305), (1195, 168122), (2390, 84061)]