189968500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{16519}}^1$

素因数の和:16561

約数の個数: 48

約数和(自身を含む): 432956160

約数和(自身を除く): 242987660

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 2300, 2875, 5750, 11500, 16519, 33038, 66076, 82595, 165190, 330380, 379937, 412975, 759874, 825950, 1519748, 1651900, 1899685, 2064875, 3799370, 4129750, 7598740, 8259500, 9498425, 18996850, 37993700, 47492125, 94984250, 189968500]

約数ペア:

[(1, 189968500), (2, 94984250), (4, 47492125), (5, 37993700), (10, 18996850), (20, 9498425), (23, 8259500), (25, 7598740), (46, 4129750), (50, 3799370), (92, 2064875), (100, 1899685), (115, 1651900), (125, 1519748), (230, 825950), (250, 759874), (460, 412975), (500, 379937), (575, 330380), (1150, 165190), (2300, 82595), (2875, 66076), (5750, 33038), (11500, 16519)]