Factorization
250 = 2 × 5 × 5 × 5
250 has 8 divisors: 1, 2, 5, 10, 25, 50, 125, 250
Sum of all divisors other than 250:
218
Sums & differences
Sum of 2 squares: 250 = 132 + 92 = 152 + 52
Goldbach conjecture: 250 = 239 + 11 = 233 + 17 = 227 + 23 = 197 + 53 = 191 + 59 = 179 + 71 = 167 + 83 = 149 + 101 = 137 + 113
