15490070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21817}}^1$

素因数の和:21895

約数の個数: 16

約数和(自身を含む): 28276128

約数和(自身を除く): 12786058

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 21817, 43634, 109085, 218170, 1549007, 3098014, 7745035, 15490070]

約数ペア:

[(1, 15490070), (2, 7745035), (5, 3098014), (10, 1549007), (71, 218170), (142, 109085), (355, 43634), (710, 21817)]