28805900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15161}}^1$

素因数の和:15194

約数の個数: 36

約数和(自身を含む): 65803080

約数和(自身を除く): 36997180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 15161, 30322, 60644, 75805, 151610, 288059, 303220, 379025, 576118, 758050, 1152236, 1440295, 1516100, 2880590, 5761180, 7201475, 14402950, 28805900]

約数ペア:

[(1, 28805900), (2, 14402950), (4, 7201475), (5, 5761180), (10, 2880590), (19, 1516100), (20, 1440295), (25, 1152236), (38, 758050), (50, 576118), (76, 379025), (95, 303220), (100, 288059), (190, 151610), (380, 75805), (475, 60644), (950, 30322), (1900, 15161)]