128664500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{15137}}^1$

素因数の和:15173

約数の個数: 48

約数和(自身を含む): 297552528

約数和(自身を除く): 168888028

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 4250, 8500, 15137, 30274, 60548, 75685, 151370, 257329, 302740, 378425, 514658, 756850, 1029316, 1286645, 1513700, 1892125, 2573290, 3784250, 5146580, 6433225, 7568500, 12866450, 25732900, 32166125, 64332250, 128664500]

約数ペア:

[(1, 128664500), (2, 64332250), (4, 32166125), (5, 25732900), (10, 12866450), (17, 7568500), (20, 6433225), (25, 5146580), (34, 3784250), (50, 2573290), (68, 1892125), (85, 1513700), (100, 1286645), (125, 1029316), (170, 756850), (250, 514658), (340, 378425), (425, 302740), (500, 257329), (850, 151370), (1700, 75685), (2125, 60548), (4250, 30274), (8500, 15137)]