4988000

素因数分解:

$2^5\times 5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 96

約数和(自身を含む): 12972960

約数和(自身を除く): 7984960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 43, 50, 58, 80, 86, 100, 116, 125, 145, 160, 172, 200, 215, 232, 250, 290, 344, 400, 430, 464, 500, 580, 688, 725, 800, 860, 928, 1000, 1075, 1160, 1247, 1376, 1450, 1720, 2000, 2150, 2320, 2494, 2900, 3440, 3625, 4000, 4300, 4640, 4988, 5375, 5800, 6235, 6880, 7250, 8600, 9976, 10750, 11600, 12470, 14500, 17200, 19952, 21500, 23200, 24940, 29000, 31175, 34400, 39904, 43000, 49880, 58000, 62350, 86000, 99760, 116000, 124700, 155875, 172000, 199520, 249400, 311750, 498800, 623500, 997600, 1247000, 2494000, 4988000]

約数ペア:

[(1, 4988000), (2, 2494000), (4, 1247000), (5, 997600), (8, 623500), (10, 498800), (16, 311750), (20, 249400), (25, 199520), (29, 172000), (32, 155875), (40, 124700), (43, 116000), (50, 99760), (58, 86000), (80, 62350), (86, 58000), (100, 49880), (116, 43000), (125, 39904), (145, 34400), (160, 31175), (172, 29000), (200, 24940), (215, 23200), (232, 21500), (250, 19952), (290, 17200), (344, 14500), (400, 12470), (430, 11600), (464, 10750), (500, 9976), (580, 8600), (688, 7250), (725, 6880), (800, 6235), (860, 5800), (928, 5375), (1000, 4988), (1075, 4640), (1160, 4300), (1247, 4000), (1376, 3625), (1450, 3440), (1720, 2900), (2000, 2494), (2150, 2320)]