198725660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1419469}}^1$

素因数の和:1419485

約数の個数: 24

約数和(自身を含む): 476941920

約数和(自身を除く): 278216260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1419469, 2838938, 5677876, 7097345, 9936283, 14194690, 19872566, 28389380, 39745132, 49681415, 99362830, 198725660]

約数ペア:

[(1, 198725660), (2, 99362830), (4, 49681415), (5, 39745132), (7, 28389380), (10, 19872566), (14, 14194690), (20, 9936283), (28, 7097345), (35, 5677876), (70, 2838938), (140, 1419469)]