209456870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{9941}}^1$

素因数の和:10005

約数の個数: 48

約数和(自身を含む): 448821648

約数和(自身を除く): 239364778

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 1505, 2107, 3010, 4214, 9941, 10535, 19882, 21070, 49705, 69587, 99410, 139174, 347935, 427463, 487109, 695870, 854926, 974218, 2137315, 2435545, 2992241, 4274630, 4871090, 5984482, 14961205, 20945687, 29922410, 41891374, 104728435, 209456870]

約数ペア:

[(1, 209456870), (2, 104728435), (5, 41891374), (7, 29922410), (10, 20945687), (14, 14961205), (35, 5984482), (43, 4871090), (49, 4274630), (70, 2992241), (86, 2435545), (98, 2137315), (215, 974218), (245, 854926), (301, 695870), (430, 487109), (490, 427463), (602, 347935), (1505, 139174), (2107, 99410), (3010, 69587), (4214, 49705), (9941, 21070), (10535, 19882)]