208190

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 16

約数和(自身を含む): 380160

約数和(自身を除く): 171970

約数列:

[1, 2, 5, 10, 109, 191, 218, 382, 545, 955, 1090, 1910, 20819, 41638, 104095, 208190]

約数ペア:

[(1, 208190), (2, 104095), (5, 41638), (10, 20819), (109, 1910), (191, 1090), (218, 955), (382, 545)]