205505900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{108161}}^1$

素因数の和:108194

約数の個数: 36

約数和(自身を含む): 469423080

約数和(自身を除く): 263917180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 108161, 216322, 432644, 540805, 1081610, 2055059, 2163220, 2704025, 4110118, 5408050, 8220236, 10275295, 10816100, 20550590, 41101180, 51376475, 102752950, 205505900]

約数ペア:

[(1, 205505900), (2, 102752950), (4, 51376475), (5, 41101180), (10, 20550590), (19, 10816100), (20, 10275295), (25, 8220236), (38, 5408050), (50, 4110118), (76, 2704025), (95, 2163220), (100, 2055059), (190, 1081610), (380, 540805), (475, 432644), (950, 216322), (1900, 108161)]