27966680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99881}}^1$

素因数の和:99899

約数の個数: 32

約数和(自身を含む): 71915040

約数和(自身を除く): 43948360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99881, 199762, 399524, 499405, 699167, 799048, 998810, 1398334, 1997620, 2796668, 3495835, 3995240, 5593336, 6991670, 13983340, 27966680]

約数ペア:

[(1, 27966680), (2, 13983340), (4, 6991670), (5, 5593336), (7, 3995240), (8, 3495835), (10, 2796668), (14, 1997620), (20, 1398334), (28, 998810), (35, 799048), (40, 699167), (56, 499405), (70, 399524), (140, 199762), (280, 99881)]