974000

素因数分解:

$2^4\times 5^3\times {\mathrm{487}}^1$

素因数の和:510

約数の個数: 40

約数和(自身を含む): 2359968

約数和(自身を除く): 1385968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 487, 500, 974, 1000, 1948, 2000, 2435, 3896, 4870, 7792, 9740, 12175, 19480, 24350, 38960, 48700, 60875, 97400, 121750, 194800, 243500, 487000, 974000]

約数ペア:

[(1, 974000), (2, 487000), (4, 243500), (5, 194800), (8, 121750), (10, 97400), (16, 60875), (20, 48700), (25, 38960), (40, 24350), (50, 19480), (80, 12175), (100, 9740), (125, 7792), (200, 4870), (250, 3896), (400, 2435), (487, 2000), (500, 1948), (974, 1000)]