Divisor Sum of 243,760

Example of Divisor Sum of Integer

 * $\map {\sigma_1} {243 \, 760} = 620 \, 496$

where $\sigma_1$ denotes the divisor sum function.

Proof
We have that:
 * $243 \, 760 = 2^4 \times 5 \times 11 \times 277$

Hence: