987020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2903}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 2195424

約数和(自身を除く): 1208404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2903, 5806, 11612, 14515, 29030, 49351, 58060, 98702, 197404, 246755, 493510, 987020]

約数ペア:

[(1, 987020), (2, 493510), (4, 246755), (5, 197404), (10, 98702), (17, 58060), (20, 49351), (34, 29030), (68, 14515), (85, 11612), (170, 5806), (340, 2903)]