199411310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{40123}}^1$

素因数の和:40208

約数の個数: 32

約数和(自身を含む): 416005632

約数和(自身を除く): 216594322

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 40123, 80246, 200615, 280861, 401230, 561722, 1404305, 2808610, 2848733, 5697466, 14243665, 19941131, 28487330, 39882262, 99705655, 199411310]

約数ペア:

[(1, 199411310), (2, 99705655), (5, 39882262), (7, 28487330), (10, 19941131), (14, 14243665), (35, 5697466), (70, 2848733), (71, 2808610), (142, 1404305), (355, 561722), (497, 401230), (710, 280861), (994, 200615), (2485, 80246), (4970, 40123)]