157210390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{6653}}^1$

素因数の和:6816

約数の個数: 32

約数和(自身を含む): 301825440

約数和(自身を除く): 144615050

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 4726, 6653, 11815, 13306, 23630, 33265, 66530, 113101, 226202, 565505, 924767, 1131010, 1849534, 4623835, 9247670, 15721039, 31442078, 78605195, 157210390]

約数ペア:

[(1, 157210390), (2, 78605195), (5, 31442078), (10, 15721039), (17, 9247670), (34, 4623835), (85, 1849534), (139, 1131010), (170, 924767), (278, 565505), (695, 226202), (1390, 113101), (2363, 66530), (4726, 33265), (6653, 23630), (11815, 13306)]