1268500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 2882880

約数和(自身を除く): 1614380

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 59, 86, 100, 118, 125, 172, 215, 236, 250, 295, 430, 500, 590, 860, 1075, 1180, 1475, 2150, 2537, 2950, 4300, 5074, 5375, 5900, 7375, 10148, 10750, 12685, 14750, 21500, 25370, 29500, 50740, 63425, 126850, 253700, 317125, 634250, 1268500]

約数ペア:

[(1, 1268500), (2, 634250), (4, 317125), (5, 253700), (10, 126850), (20, 63425), (25, 50740), (43, 29500), (50, 25370), (59, 21500), (86, 14750), (100, 12685), (118, 10750), (125, 10148), (172, 7375), (215, 5900), (236, 5375), (250, 5074), (295, 4300), (430, 2950), (500, 2537), (590, 2150), (860, 1475), (1075, 1180)]