190024280

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{7187}}^1$

素因数の和:7859

約数の個数: 32

約数和(自身を含む): 428261040

約数和(自身を除く): 238236760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 6610, 7187, 13220, 14374, 26440, 28748, 35935, 57496, 71870, 143740, 287480, 4750607, 9501214, 19002428, 23753035, 38004856, 47506070, 95012140, 190024280]

約数ペア:

[(1, 190024280), (2, 95012140), (4, 47506070), (5, 38004856), (8, 23753035), (10, 19002428), (20, 9501214), (40, 4750607), (661, 287480), (1322, 143740), (2644, 71870), (3305, 57496), (5288, 35935), (6610, 28748), (7187, 26440), (13220, 14374)]