jmc

Let's find the prime factorization of $150,280$: $$\begin{array}{rl}150,280& =2^3\cdot 18,785\\ & =2^3\cdot 5\cdot 3757\\ & =2^3\cdot 5\cdot 13\cdot 289\\ & =2^3\cdot 5\cdot 13\cdot 17^2.\end{array}$$Thus the sum of the different prime factors of 150,280 is $2+5+13+17=\boxed{37}$.