139611080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{498611}}^1$

素因数の和:498629

約数の個数: 32

約数和(自身を含む): 359000640

約数和(自身を除く): 219389560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 498611, 997222, 1994444, 2493055, 3490277, 3988888, 4986110, 6980554, 9972220, 13961108, 17451385, 19944440, 27922216, 34902770, 69805540, 139611080]

約数ペア:

[(1, 139611080), (2, 69805540), (4, 34902770), (5, 27922216), (7, 19944440), (8, 17451385), (10, 13961108), (14, 9972220), (20, 6980554), (28, 4986110), (35, 3988888), (40, 3490277), (56, 2493055), (70, 1994444), (140, 997222), (280, 498611)]