854800

素因数分解:

$2^4\times 5^2\times {\mathrm{2137}}^1$

素因数の和:2155

約数の個数: 30

約数和(自身を含む): 2054618

約数和(自身を除く): 1199818

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2137, 4274, 8548, 10685, 17096, 21370, 34192, 42740, 53425, 85480, 106850, 170960, 213700, 427400, 854800]

約数ペア:

[(1, 854800), (2, 427400), (4, 213700), (5, 170960), (8, 106850), (10, 85480), (16, 53425), (20, 42740), (25, 34192), (40, 21370), (50, 17096), (80, 10685), (100, 8548), (200, 4274), (400, 2137)]