1221500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{349}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 3057600

約数和(自身を除く): 1836100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 349, 350, 500, 698, 700, 875, 1396, 1745, 1750, 2443, 3490, 3500, 4886, 6980, 8725, 9772, 12215, 17450, 24430, 34900, 43625, 48860, 61075, 87250, 122150, 174500, 244300, 305375, 610750, 1221500]

約数ペア:

[(1, 1221500), (2, 610750), (4, 305375), (5, 244300), (7, 174500), (10, 122150), (14, 87250), (20, 61075), (25, 48860), (28, 43625), (35, 34900), (50, 24430), (70, 17450), (100, 12215), (125, 9772), (140, 8725), (175, 6980), (250, 4886), (349, 3500), (350, 3490), (500, 2443), (698, 1750), (700, 1745), (875, 1396)]