140238728

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{108881}}^1$

素因数の和:108917

約数の個数: 32

約数和(自身を含む): 313580160

約数和(自身を除く): 173341432

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 108881, 217762, 435524, 762167, 871048, 1524334, 2504263, 3048668, 5008526, 6097336, 10017052, 17529841, 20034104, 35059682, 70119364, 140238728]

約数ペア:

[(1, 140238728), (2, 70119364), (4, 35059682), (7, 20034104), (8, 17529841), (14, 10017052), (23, 6097336), (28, 5008526), (46, 3048668), (56, 2504263), (92, 1524334), (161, 871048), (184, 762167), (322, 435524), (644, 217762), (1288, 108881)]