12215000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{349}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 32802000

約数和(自身を除く): 20587000

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, 349, 350, 500, 625, 698, 700, 875, 1000, 1250, 1396, 1400, 1745, 1750, 2443, 2500, 2792, 3490, 3500, 4375, 4886, 5000, 6980, 7000, 8725, 8750, 9772, 12215, 13960, 17450, 17500, 19544, 24430, 34900, 35000, 43625, 48860, 61075, 69800, 87250, 97720, 122150, 174500, 218125, 244300, 305375, 349000, 436250, 488600, 610750, 872500, 1221500, 1526875, 1745000, 2443000, 3053750, 6107500, 12215000]

約数ペア:

[(1, 12215000), (2, 6107500), (4, 3053750), (5, 2443000), (7, 1745000), (8, 1526875), (10, 1221500), (14, 872500), (20, 610750), (25, 488600), (28, 436250), (35, 349000), (40, 305375), (50, 244300), (56, 218125), (70, 174500), (100, 122150), (125, 97720), (140, 87250), (175, 69800), (200, 61075), (250, 48860), (280, 43625), (349, 35000), (350, 34900), (500, 24430), (625, 19544), (698, 17500), (700, 17450), (875, 13960), (1000, 12215), (1250, 9772), (1396, 8750), (1400, 8725), (1745, 7000), (1750, 6980), (2443, 5000), (2500, 4886), (2792, 4375), (3490, 3500)]