489682220

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{91019}}^1$

素因数の和:91297

約数の個数: 24

約数和(自身を含む): 1032166800

約数和(自身を除く): 542484580

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 91019, 182038, 364076, 455095, 910190, 1820380, 24484111, 48968222, 97936444, 122420555, 244841110, 489682220]

約数ペア:

[(1, 489682220), (2, 244841110), (4, 122420555), (5, 97936444), (10, 48968222), (20, 24484111), (269, 1820380), (538, 910190), (1076, 455095), (1345, 364076), (2690, 182038), (5380, 91019)]