138468910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{28087}}^1$

素因数の和:28140

約数の個数: 32

約数和(自身を含む): 273015360

約数和(自身を除く): 134546450

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 28087, 56174, 140435, 280870, 477479, 814523, 954958, 1629046, 2387395, 4072615, 4774790, 8145230, 13846891, 27693782, 69234455, 138468910]

約数ペア:

[(1, 138468910), (2, 69234455), (5, 27693782), (10, 13846891), (17, 8145230), (29, 4774790), (34, 4072615), (58, 2387395), (85, 1629046), (145, 954958), (170, 814523), (290, 477479), (493, 280870), (986, 140435), (2465, 56174), (4930, 28087)]