280047170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2154209}}^1$

素因数の和:2154229

約数の個数: 16

約数和(自身を含む): 542860920

約数和(自身を除く): 262813750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2154209, 4308418, 10771045, 21542090, 28004717, 56009434, 140023585, 280047170]

約数ペア:

[(1, 280047170), (2, 140023585), (5, 56009434), (10, 28004717), (13, 21542090), (26, 10771045), (65, 4308418), (130, 2154209)]