2017625180

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{506941}}^1$

素因数の和:507149

約数の個数: 24

約数和(自身を含む): 4258312800

約数和(自身を除く): 2240687620

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 506941, 1013882, 2027764, 2534705, 5069410, 10138820, 100881259, 201762518, 403525036, 504406295, 1008812590, 2017625180]

約数ペア:

[(1, 2017625180), (2, 1008812590), (4, 504406295), (5, 403525036), (10, 201762518), (20, 100881259), (199, 10138820), (398, 5069410), (796, 2534705), (995, 2027764), (1990, 1013882), (3980, 506941)]