200510990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1055321}}^1$

素因数の和:1055347

約数の個数: 16

約数和(自身を含む): 379915920

約数和(自身を除く): 179404930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1055321, 2110642, 5276605, 10553210, 20051099, 40102198, 100255495, 200510990]

約数ペア:

[(1, 200510990), (2, 100255495), (5, 40102198), (10, 20051099), (19, 10553210), (38, 5276605), (95, 2110642), (190, 1055321)]