209920060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1499429}}^1$

素因数の和:1499445

約数の個数: 24

約数和(自身を含む): 503808480

約数和(自身を除く): 293888420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1499429, 2998858, 5997716, 7497145, 10496003, 14994290, 20992006, 29988580, 41984012, 52480015, 104960030, 209920060]

約数ペア:

[(1, 209920060), (2, 104960030), (4, 52480015), (5, 41984012), (7, 29988580), (10, 20992006), (14, 14994290), (20, 10496003), (28, 7497145), (35, 5997716), (70, 2998858), (140, 1499429)]