289231870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{2203}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 549060480

約数和(自身を除く): 259828610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 691, 1382, 2203, 3455, 4406, 6910, 11015, 13129, 22030, 26258, 41857, 65645, 83714, 131290, 209285, 418570, 1522273, 3044546, 7611365, 15222730, 28923187, 57846374, 144615935, 289231870]

約数ペア:

[(1, 289231870), (2, 144615935), (5, 57846374), (10, 28923187), (19, 15222730), (38, 7611365), (95, 3044546), (190, 1522273), (691, 418570), (1382, 209285), (2203, 131290), (3455, 83714), (4406, 65645), (6910, 41857), (11015, 26258), (13129, 22030)]