1396000

素因数分解:

$2^5\times 5^3\times {\mathrm{349}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 3439800

約数和(自身を除く): 2043800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 349, 400, 500, 698, 800, 1000, 1396, 1745, 2000, 2792, 3490, 4000, 5584, 6980, 8725, 11168, 13960, 17450, 27920, 34900, 43625, 55840, 69800, 87250, 139600, 174500, 279200, 349000, 698000, 1396000]

約数ペア:

[(1, 1396000), (2, 698000), (4, 349000), (5, 279200), (8, 174500), (10, 139600), (16, 87250), (20, 69800), (25, 55840), (32, 43625), (40, 34900), (50, 27920), (80, 17450), (100, 13960), (125, 11168), (160, 8725), (200, 6980), (250, 5584), (349, 4000), (400, 3490), (500, 2792), (698, 2000), (800, 1745), (1000, 1396)]