4497500

素因数分解:

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

素因数の和:288

約数の個数: 60

約数和(自身を含む): 11283888

約数和(自身を除く): 6786388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 257, 350, 500, 514, 625, 700, 875, 1028, 1250, 1285, 1750, 1799, 2500, 2570, 3500, 3598, 4375, 5140, 6425, 7196, 8750, 8995, 12850, 17500, 17990, 25700, 32125, 35980, 44975, 64250, 89950, 128500, 160625, 179900, 224875, 321250, 449750, 642500, 899500, 1124375, 2248750, 4497500]

約数ペア:

[(1, 4497500), (2, 2248750), (4, 1124375), (5, 899500), (7, 642500), (10, 449750), (14, 321250), (20, 224875), (25, 179900), (28, 160625), (35, 128500), (50, 89950), (70, 64250), (100, 44975), (125, 35980), (140, 32125), (175, 25700), (250, 17990), (257, 17500), (350, 12850), (500, 8995), (514, 8750), (625, 7196), (700, 6425), (875, 5140), (1028, 4375), (1250, 3598), (1285, 3500), (1750, 2570), (1799, 2500)]