2212880

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 40

約数和(自身を含む): 5208000

約数和(自身を除く): 2995120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 199, 278, 398, 556, 695, 796, 995, 1112, 1390, 1592, 1990, 2224, 2780, 3184, 3980, 5560, 7960, 11120, 15920, 27661, 55322, 110644, 138305, 221288, 276610, 442576, 553220, 1106440, 2212880]

約数ペア:

[(1, 2212880), (2, 1106440), (4, 553220), (5, 442576), (8, 276610), (10, 221288), (16, 138305), (20, 110644), (40, 55322), (80, 27661), (139, 15920), (199, 11120), (278, 7960), (398, 5560), (556, 3980), (695, 3184), (796, 2780), (995, 2224), (1112, 1990), (1390, 1592)]