Mathwarehouse Logo

Is 1890 a perfect number? [SOLVED]

Answer


1890 is not perfect because:

1 + 2 + 3 + 5 + 6 + 7 + 9 + 10 + 14 + 15 + 18 + 21 + 27 + 30 + 35 + 42 + 45 + 54 + 63 + 70 + 90 + 105 + 126 + 135 + 189 + 210 + 270 + 315 + 378 + 630 + 945 1890
Back to Is 1889 a perfect number? Next to Is 1891 a perfect number?