4870000

素因数分解:

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

素因数の和:515

約数の個数: 50

約数和(自身を含む): 11814968

約数和(自身を除く): 6944968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 487, 500, 625, 974, 1000, 1250, 1948, 2000, 2435, 2500, 3896, 4870, 5000, 7792, 9740, 10000, 12175, 19480, 24350, 38960, 48700, 60875, 97400, 121750, 194800, 243500, 304375, 487000, 608750, 974000, 1217500, 2435000, 4870000]

約数ペア:

[(1, 4870000), (2, 2435000), (4, 1217500), (5, 974000), (8, 608750), (10, 487000), (16, 304375), (20, 243500), (25, 194800), (40, 121750), (50, 97400), (80, 60875), (100, 48700), (125, 38960), (200, 24350), (250, 19480), (400, 12175), (487, 10000), (500, 9740), (625, 7792), (974, 5000), (1000, 4870), (1250, 3896), (1948, 2500), (2000, 2435)]