197290

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 16

約数和(自身を含む): 360360

約数和(自身を除く): 163070

約数列:

[1, 2, 5, 10, 109, 181, 218, 362, 545, 905, 1090, 1810, 19729, 39458, 98645, 197290]

約数ペア:

[(1, 197290), (2, 98645), (5, 39458), (10, 19729), (109, 1810), (181, 1090), (218, 905), (362, 545)]