210817504990

素因数分解:

$2^1\times 5^1\times {\mathrm{51719}}^1\times {\mathrm{407621}}^1$

素因数の和:459347

約数の個数: 16

約数和(自身を含む): 379479777120

約数和(自身を除く): 168662272130

約数列:

[1, 2, 5, 10, 51719, 103438, 258595, 407621, 517190, 815242, 2038105, 4076210, 21081750499, 42163500998, 105408752495, 210817504990]

約数ペア:

[(1, 210817504990), (2, 105408752495), (5, 42163500998), (10, 21081750499), (51719, 4076210), (103438, 2038105), (258595, 815242), (407621, 517190)]