255220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1823}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 612864

約数和(自身を除く): 357644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1823, 3646, 7292, 9115, 12761, 18230, 25522, 36460, 51044, 63805, 127610, 255220]

約数ペア:

[(1, 255220), (2, 127610), (4, 63805), (5, 51044), (7, 36460), (10, 25522), (14, 18230), (20, 12761), (28, 9115), (35, 7292), (70, 3646), (140, 1823)]