282220

素因数分解:

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

素因数の和:249

約数の個数: 24

約数和(自身を含む): 602784

約数和(自身を除く): 320564

約数列:

[1, 2, 4, 5, 10, 20, 103, 137, 206, 274, 412, 515, 548, 685, 1030, 1370, 2060, 2740, 14111, 28222, 56444, 70555, 141110, 282220]

約数ペア:

[(1, 282220), (2, 141110), (4, 70555), (5, 56444), (10, 28222), (20, 14111), (103, 2740), (137, 2060), (206, 1370), (274, 1030), (412, 685), (515, 548)]