198615020

素因数分解:

$2^2\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{7529}}^1$

素因数の和:8857

約数の個数: 24

約数和(自身を含む): 417463200

約数和(自身を除く): 218848180

約数列:

[1, 2, 4, 5, 10, 20, 1319, 2638, 5276, 6595, 7529, 13190, 15058, 26380, 30116, 37645, 75290, 150580, 9930751, 19861502, 39723004, 49653755, 99307510, 198615020]

約数ペア:

[(1, 198615020), (2, 99307510), (4, 49653755), (5, 39723004), (10, 19861502), (20, 9930751), (1319, 150580), (2638, 75290), (5276, 37645), (6595, 30116), (7529, 26380), (13190, 15058)]