1339774000

素因数分解:

$2^4\times 5^3\times {\mathrm{669887}}^1$

素因数の和:669910

約数の個数: 40

約数和(自身を含む): 3239578368

約数和(自身を除く): 1899804368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 669887, 1339774, 2679548, 3349435, 5359096, 6698870, 10718192, 13397740, 16747175, 26795480, 33494350, 53590960, 66988700, 83735875, 133977400, 167471750, 267954800, 334943500, 669887000, 1339774000]

約数ペア:

[(1, 1339774000), (2, 669887000), (4, 334943500), (5, 267954800), (8, 167471750), (10, 133977400), (16, 83735875), (20, 66988700), (25, 53590960), (40, 33494350), (50, 26795480), (80, 16747175), (100, 13397740), (125, 10718192), (200, 6698870), (250, 5359096), (400, 3349435), (500, 2679548), (1000, 1339774), (2000, 669887)]