1255900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:694

約数の個数: 36

約数和(自身を含む): 2873080

約数和(自身を除く): 1617180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 661, 950, 1322, 1900, 2644, 3305, 6610, 12559, 13220, 16525, 25118, 33050, 50236, 62795, 66100, 125590, 251180, 313975, 627950, 1255900]

約数ペア:

[(1, 1255900), (2, 627950), (4, 313975), (5, 251180), (10, 125590), (19, 66100), (20, 62795), (25, 50236), (38, 33050), (50, 25118), (76, 16525), (95, 13220), (100, 12559), (190, 6610), (380, 3305), (475, 2644), (661, 1900), (950, 1322)]