If you want to find the files that are larger than 500MB in your current directory
find . -type f -size +500000k -exec ls -lh {} \; | awk '{ print $9 ": " $5 }'
If you want to find the files that are larger than 500MB in your current directory
find . -type f -size +500000k -exec ls -lh {} \; | awk '{ print $9 ": " $5 }'