8995000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{257}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 24179760

約数和(自身を除く): 15184760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 257, 280, 350, 500, 514, 625, 700, 875, 1000, 1028, 1250, 1285, 1400, 1750, 1799, 2056, 2500, 2570, 3500, 3598, 4375, 5000, 5140, 6425, 7000, 7196, 8750, 8995, 10280, 12850, 14392, 17500, 17990, 25700, 32125, 35000, 35980, 44975, 51400, 64250, 71960, 89950, 128500, 160625, 179900, 224875, 257000, 321250, 359800, 449750, 642500, 899500, 1124375, 1285000, 1799000, 2248750, 4497500, 8995000]

約数ペア:

[(1, 8995000), (2, 4497500), (4, 2248750), (5, 1799000), (7, 1285000), (8, 1124375), (10, 899500), (14, 642500), (20, 449750), (25, 359800), (28, 321250), (35, 257000), (40, 224875), (50, 179900), (56, 160625), (70, 128500), (100, 89950), (125, 71960), (140, 64250), (175, 51400), (200, 44975), (250, 35980), (257, 35000), (280, 32125), (350, 25700), (500, 17990), (514, 17500), (625, 14392), (700, 12850), (875, 10280), (1000, 8995), (1028, 8750), (1250, 7196), (1285, 7000), (1400, 6425), (1750, 5140), (1799, 5000), (2056, 4375), (2500, 3598), (2570, 3500)]