38150000

素因数分解:

$2^4\times 5^5\times 7^1\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 106555680

約数和(自身を除く): 68405680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 109, 112, 125, 140, 175, 200, 218, 250, 280, 350, 400, 436, 500, 545, 560, 625, 700, 763, 872, 875, 1000, 1090, 1250, 1400, 1526, 1744, 1750, 2000, 2180, 2500, 2725, 2800, 3052, 3125, 3500, 3815, 4360, 4375, 5000, 5450, 6104, 6250, 7000, 7630, 8720, 8750, 10000, 10900, 12208, 12500, 13625, 14000, 15260, 17500, 19075, 21800, 21875, 25000, 27250, 30520, 35000, 38150, 43600, 43750, 50000, 54500, 61040, 68125, 70000, 76300, 87500, 95375, 109000, 136250, 152600, 175000, 190750, 218000, 272500, 305200, 340625, 350000, 381500, 476875, 545000, 681250, 763000, 953750, 1090000, 1362500, 1526000, 1907500, 2384375, 2725000, 3815000, 4768750, 5450000, 7630000, 9537500, 19075000, 38150000]

約数ペア:

[(1, 38150000), (2, 19075000), (4, 9537500), (5, 7630000), (7, 5450000), (8, 4768750), (10, 3815000), (14, 2725000), (16, 2384375), (20, 1907500), (25, 1526000), (28, 1362500), (35, 1090000), (40, 953750), (50, 763000), (56, 681250), (70, 545000), (80, 476875), (100, 381500), (109, 350000), (112, 340625), (125, 305200), (140, 272500), (175, 218000), (200, 190750), (218, 175000), (250, 152600), (280, 136250), (350, 109000), (400, 95375), (436, 87500), (500, 76300), (545, 70000), (560, 68125), (625, 61040), (700, 54500), (763, 50000), (872, 43750), (875, 43600), (1000, 38150), (1090, 35000), (1250, 30520), (1400, 27250), (1526, 25000), (1744, 21875), (1750, 21800), (2000, 19075), (2180, 17500), (2500, 15260), (2725, 14000), (2800, 13625), (3052, 12500), (3125, 12208), (3500, 10900), (3815, 10000), (4360, 8750), (4375, 8720), (5000, 7630), (5450, 7000), (6104, 6250)]