3490000

素因数分解:

$2^4\times 5^4\times {\mathrm{349}}^1$

素因数の和:377

約数の個数: 50

約数和(自身を含む): 8473850

約数和(自身を除く): 4983850

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 349, 400, 500, 625, 698, 1000, 1250, 1396, 1745, 2000, 2500, 2792, 3490, 5000, 5584, 6980, 8725, 10000, 13960, 17450, 27920, 34900, 43625, 69800, 87250, 139600, 174500, 218125, 349000, 436250, 698000, 872500, 1745000, 3490000]

約数ペア:

[(1, 3490000), (2, 1745000), (4, 872500), (5, 698000), (8, 436250), (10, 349000), (16, 218125), (20, 174500), (25, 139600), (40, 87250), (50, 69800), (80, 43625), (100, 34900), (125, 27920), (200, 17450), (250, 13960), (349, 10000), (400, 8725), (500, 6980), (625, 5584), (698, 5000), (1000, 3490), (1250, 2792), (1396, 2500), (1745, 2000)]