42612500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{487}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 106743168

約数和(自身を除く): 64130668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 487, 500, 625, 700, 875, 974, 1250, 1750, 1948, 2435, 2500, 3125, 3409, 3500, 4375, 4870, 6250, 6818, 8750, 9740, 12175, 12500, 13636, 17045, 17500, 21875, 24350, 34090, 43750, 48700, 60875, 68180, 85225, 87500, 121750, 170450, 243500, 304375, 340900, 426125, 608750, 852250, 1217500, 1521875, 1704500, 2130625, 3043750, 4261250, 6087500, 8522500, 10653125, 21306250, 42612500]

約数ペア:

[(1, 42612500), (2, 21306250), (4, 10653125), (5, 8522500), (7, 6087500), (10, 4261250), (14, 3043750), (20, 2130625), (25, 1704500), (28, 1521875), (35, 1217500), (50, 852250), (70, 608750), (100, 426125), (125, 340900), (140, 304375), (175, 243500), (250, 170450), (350, 121750), (487, 87500), (500, 85225), (625, 68180), (700, 60875), (875, 48700), (974, 43750), (1250, 34090), (1750, 24350), (1948, 21875), (2435, 17500), (2500, 17045), (3125, 13636), (3409, 12500), (3500, 12175), (4375, 9740), (4870, 8750), (6250, 6818)]