3440000

素因数分解:

$2^7\times 5^4\times {\mathrm{43}}^1$

素因数の和:77

約数の個数: 80

約数和(自身を含む): 8762820

約数和(自身を除く): 5322820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 125, 128, 160, 172, 200, 215, 250, 320, 344, 400, 430, 500, 625, 640, 688, 800, 860, 1000, 1075, 1250, 1376, 1600, 1720, 2000, 2150, 2500, 2752, 3200, 3440, 4000, 4300, 5000, 5375, 5504, 6880, 8000, 8600, 10000, 10750, 13760, 16000, 17200, 20000, 21500, 26875, 27520, 34400, 40000, 43000, 53750, 68800, 80000, 86000, 107500, 137600, 172000, 215000, 344000, 430000, 688000, 860000, 1720000, 3440000]

約数ペア:

[(1, 3440000), (2, 1720000), (4, 860000), (5, 688000), (8, 430000), (10, 344000), (16, 215000), (20, 172000), (25, 137600), (32, 107500), (40, 86000), (43, 80000), (50, 68800), (64, 53750), (80, 43000), (86, 40000), (100, 34400), (125, 27520), (128, 26875), (160, 21500), (172, 20000), (200, 17200), (215, 16000), (250, 13760), (320, 10750), (344, 10000), (400, 8600), (430, 8000), (500, 6880), (625, 5504), (640, 5375), (688, 5000), (800, 4300), (860, 4000), (1000, 3440), (1075, 3200), (1250, 2752), (1376, 2500), (1600, 2150), (1720, 2000)]