860360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 1962360

約数和(自身を除く): 1102000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 157, 274, 314, 548, 628, 685, 785, 1096, 1256, 1370, 1570, 2740, 3140, 5480, 6280, 21509, 43018, 86036, 107545, 172072, 215090, 430180, 860360]

約数ペア:

[(1, 860360), (2, 430180), (4, 215090), (5, 172072), (8, 107545), (10, 86036), (20, 43018), (40, 21509), (137, 6280), (157, 5480), (274, 3140), (314, 2740), (548, 1570), (628, 1370), (685, 1256), (785, 1096)]