139528410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{664421}}^1$

素因数の和:664438

約数の個数: 32

約数和(自身を含む): 382707072

約数和(自身を除く): 243178662

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 664421, 1328842, 1993263, 3322105, 3986526, 4650947, 6644210, 9301894, 9966315, 13952841, 19932630, 23254735, 27905682, 46509470, 69764205, 139528410]

約数ペア:

[(1, 139528410), (2, 69764205), (3, 46509470), (5, 27905682), (6, 23254735), (7, 19932630), (10, 13952841), (14, 9966315), (15, 9301894), (21, 6644210), (30, 4650947), (35, 3986526), (42, 3322105), (70, 1993263), (105, 1328842), (210, 664421)]