54645220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390323}}^1$

素因数の和:390339

約数の個数: 24

約数和(自身を含む): 131148864

約数和(自身を除く): 76503644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390323, 780646, 1561292, 1951615, 2732261, 3903230, 5464522, 7806460, 10929044, 13661305, 27322610, 54645220]

約数ペア:

[(1, 54645220), (2, 27322610), (4, 13661305), (5, 10929044), (7, 7806460), (10, 5464522), (14, 3903230), (20, 2732261), (28, 1951615), (35, 1561292), (70, 780646), (140, 390323)]