12170840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 18069160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 199, 220, 278, 398, 440, 556, 695, 796, 995, 1112, 1390, 1529, 1592, 1990, 2189, 2780, 3058, 3980, 4378, 5560, 6116, 7645, 7960, 8756, 10945, 12232, 15290, 17512, 21890, 27661, 30580, 43780, 55322, 61160, 87560, 110644, 138305, 221288, 276610, 304271, 553220, 608542, 1106440, 1217084, 1521355, 2434168, 3042710, 6085420, 12170840]

約数ペア:

[(1, 12170840), (2, 6085420), (4, 3042710), (5, 2434168), (8, 1521355), (10, 1217084), (11, 1106440), (20, 608542), (22, 553220), (40, 304271), (44, 276610), (55, 221288), (88, 138305), (110, 110644), (139, 87560), (199, 61160), (220, 55322), (278, 43780), (398, 30580), (440, 27661), (556, 21890), (695, 17512), (796, 15290), (995, 12232), (1112, 10945), (1390, 8756), (1529, 7960), (1592, 7645), (1990, 6116), (2189, 5560), (2780, 4378), (3058, 3980)]