138873170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1657}}^1$

素因数の和:1727

約数の個数: 48

約数和(自身を含む): 274863240

約数和(自身を除く): 135990070

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 289, 290, 493, 578, 986, 1445, 1657, 2465, 2890, 3314, 4930, 8285, 8381, 16570, 16762, 28169, 41905, 48053, 56338, 83810, 96106, 140845, 240265, 281690, 478873, 480530, 816901, 957746, 1633802, 2394365, 4084505, 4788730, 8169010, 13887317, 27774634, 69436585, 138873170]

約数ペア:

[(1, 138873170), (2, 69436585), (5, 27774634), (10, 13887317), (17, 8169010), (29, 4788730), (34, 4084505), (58, 2394365), (85, 1633802), (145, 957746), (170, 816901), (289, 480530), (290, 478873), (493, 281690), (578, 240265), (986, 140845), (1445, 96106), (1657, 83810), (2465, 56338), (2890, 48053), (3314, 41905), (4930, 28169), (8285, 16762), (8381, 16570)]