55146140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{393901}}^1$

素因数の和:393917

約数の個数: 24

約数和(自身を含む): 132351072

約数和(自身を除く): 77204932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 393901, 787802, 1575604, 1969505, 2757307, 3939010, 5514614, 7878020, 11029228, 13786535, 27573070, 55146140]

約数ペア:

[(1, 55146140), (2, 27573070), (4, 13786535), (5, 11029228), (7, 7878020), (10, 5514614), (14, 3939010), (20, 2757307), (28, 1969505), (35, 1575604), (70, 787802), (140, 393901)]