194382020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{198349}}^1$

素因数の和:198372

約数の個数: 36

約数和(自身を含む): 474849900

約数和(自身を除く): 280467880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 198349, 396698, 793396, 991745, 1388443, 1983490, 2776886, 3966980, 5553772, 6942215, 9719101, 13884430, 19438202, 27768860, 38876404, 48595505, 97191010, 194382020]

約数ペア:

[(1, 194382020), (2, 97191010), (4, 48595505), (5, 38876404), (7, 27768860), (10, 19438202), (14, 13884430), (20, 9719101), (28, 6942215), (35, 5553772), (49, 3966980), (70, 2776886), (98, 1983490), (140, 1388443), (196, 991745), (245, 793396), (490, 396698), (980, 198349)]