564440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 1291680

約数和(自身を除く): 727240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 137, 206, 274, 412, 515, 548, 685, 824, 1030, 1096, 1370, 2060, 2740, 4120, 5480, 14111, 28222, 56444, 70555, 112888, 141110, 282220, 564440]

約数ペア:

[(1, 564440), (2, 282220), (4, 141110), (5, 112888), (8, 70555), (10, 56444), (20, 28222), (40, 14111), (103, 5480), (137, 4120), (206, 2740), (274, 2060), (412, 1370), (515, 1096), (548, 1030), (685, 824)]