1968500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 4472832

約数和(自身を除く): 2504332

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 127, 155, 250, 254, 310, 500, 508, 620, 635, 775, 1270, 1550, 2540, 3100, 3175, 3875, 3937, 6350, 7750, 7874, 12700, 15500, 15748, 15875, 19685, 31750, 39370, 63500, 78740, 98425, 196850, 393700, 492125, 984250, 1968500]

約数ペア:

[(1, 1968500), (2, 984250), (4, 492125), (5, 393700), (10, 196850), (20, 98425), (25, 78740), (31, 63500), (50, 39370), (62, 31750), (100, 19685), (124, 15875), (125, 15748), (127, 15500), (155, 12700), (250, 7874), (254, 7750), (310, 6350), (500, 3937), (508, 3875), (620, 3175), (635, 3100), (775, 2540), (1270, 1550)]