9742180

素因数分解:

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

素因数の和:9964

約数の個数: 36

約数和(自身を含む): 23801148

約数和(自身を除く): 14058968

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 9941, 19882, 39764, 49705, 69587, 99410, 139174, 198820, 278348, 347935, 487109, 695870, 974218, 1391740, 1948436, 2435545, 4871090, 9742180]

約数ペア:

[(1, 9742180), (2, 4871090), (4, 2435545), (5, 1948436), (7, 1391740), (10, 974218), (14, 695870), (20, 487109), (28, 347935), (35, 278348), (49, 198820), (70, 139174), (98, 99410), (140, 69587), (196, 49705), (245, 39764), (490, 19882), (980, 9941)]