27889540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199211}}^1$

素因数の和:199227

約数の個数: 24

約数和(自身を含む): 66935232

約数和(自身を除く): 39045692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199211, 398422, 796844, 996055, 1394477, 1992110, 2788954, 3984220, 5577908, 6972385, 13944770, 27889540]

約数ペア:

[(1, 27889540), (2, 13944770), (4, 6972385), (5, 5577908), (7, 3984220), (10, 2788954), (14, 1992110), (20, 1394477), (28, 996055), (35, 796844), (70, 398422), (140, 199211)]