670778870

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{255049}}^1$

素因数の和:255319

約数の個数: 16

約数和(自身を含む): 1211997600

約数和(自身を除く): 541218730

約数列:

[1, 2, 5, 10, 263, 526, 1315, 2630, 255049, 510098, 1275245, 2550490, 67077887, 134155774, 335389435, 670778870]

約数ペア:

[(1, 670778870), (2, 335389435), (5, 134155774), (10, 67077887), (263, 2550490), (526, 1275245), (1315, 510098), (2630, 255049)]