Factor Average

We just need to find what's the value of

$\frac{\sigma(n)}{\tau(n)}$ for n=10 000.We use the formulas $\tau(n)=\displaystyle\prod_{p|n}\upsilon_p(n)$ and $\sigma(n)= \displaystyle\prod_{p|n} \frac{p^{\upsilon_p(n)+1}-1}{p-1}$ .

After calculating, we get the answer $\boxed{836}$