128826220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2719}}^1$

素因数の和:2854

約数の個数: 48

約数和(自身を含む): 285143040

約数和(自身を除く): 156316820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 103, 115, 206, 230, 412, 460, 515, 1030, 2060, 2369, 2719, 4738, 5438, 9476, 10876, 11845, 13595, 23690, 27190, 47380, 54380, 62537, 125074, 250148, 280057, 312685, 560114, 625370, 1120228, 1250740, 1400285, 2800570, 5601140, 6441311, 12882622, 25765244, 32206555, 64413110, 128826220]

約数ペア:

[(1, 128826220), (2, 64413110), (4, 32206555), (5, 25765244), (10, 12882622), (20, 6441311), (23, 5601140), (46, 2800570), (92, 1400285), (103, 1250740), (115, 1120228), (206, 625370), (230, 560114), (412, 312685), (460, 280057), (515, 250148), (1030, 125074), (2060, 62537), (2369, 54380), (2719, 47380), (4738, 27190), (5438, 23690), (9476, 13595), (10876, 11845)]