205465510

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{463}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 374169600

約数和(自身を除く): 168704090

約数列:

[1, 2, 5, 10, 199, 223, 398, 446, 463, 926, 995, 1115, 1990, 2230, 2315, 4630, 44377, 88754, 92137, 103249, 184274, 206498, 221885, 443770, 460685, 516245, 921370, 1032490, 20546551, 41093102, 102732755, 205465510]

約数ペア:

[(1, 205465510), (2, 102732755), (5, 41093102), (10, 20546551), (199, 1032490), (223, 921370), (398, 516245), (446, 460685), (463, 443770), (926, 221885), (995, 206498), (1115, 184274), (1990, 103249), (2230, 92137), (2315, 88754), (4630, 44377)]