210574990

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{67709}}^1$

素因数の和:68027

約数の個数: 16

約数和(自身を含む): 380259360

約数和(自身を除く): 169684370

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 67709, 135418, 338545, 677090, 21057499, 42114998, 105287495, 210574990]

約数ペア:

[(1, 210574990), (2, 105287495), (5, 42114998), (10, 21057499), (311, 677090), (622, 338545), (1555, 135418), (3110, 67709)]