720479110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{426319}}^1$

素因数の和:426352

約数の個数: 24

約数和(自身を含む): 1404298080

約数和(自身を除く): 683818970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 426319, 852638, 2131595, 4263190, 5542147, 11084294, 27710735, 55421470, 72047911, 144095822, 360239555, 720479110]

約数ペア:

[(1, 720479110), (2, 360239555), (5, 144095822), (10, 72047911), (13, 55421470), (26, 27710735), (65, 11084294), (130, 5542147), (169, 4263190), (338, 2131595), (845, 852638), (1690, 426319)]