3493000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{499}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 9360000

約数和(自身を除く): 5867000

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, 280, 350, 499, 500, 700, 875, 998, 1000, 1400, 1750, 1996, 2495, 3493, 3500, 3992, 4990, 6986, 7000, 9980, 12475, 13972, 17465, 19960, 24950, 27944, 34930, 49900, 62375, 69860, 87325, 99800, 124750, 139720, 174650, 249500, 349300, 436625, 499000, 698600, 873250, 1746500, 3493000]

約数ペア:

[(1, 3493000), (2, 1746500), (4, 873250), (5, 698600), (7, 499000), (8, 436625), (10, 349300), (14, 249500), (20, 174650), (25, 139720), (28, 124750), (35, 99800), (40, 87325), (50, 69860), (56, 62375), (70, 49900), (100, 34930), (125, 27944), (140, 24950), (175, 19960), (200, 17465), (250, 13972), (280, 12475), (350, 9980), (499, 7000), (500, 6986), (700, 4990), (875, 3992), (998, 3500), (1000, 3493), (1400, 2495), (1750, 1996)]