344102840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 786240000

約数和(自身を除く): 442137160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 199, 278, 311, 398, 556, 622, 695, 796, 995, 1112, 1244, 1390, 1555, 1592, 1990, 2488, 2780, 3110, 3980, 5560, 6220, 7960, 12440, 27661, 43229, 55322, 61889, 86458, 110644, 123778, 138305, 172916, 216145, 221288, 247556, 276610, 309445, 345832, 432290, 495112, 553220, 618890, 864580, 1106440, 1237780, 1729160, 2475560, 8602571, 17205142, 34410284, 43012855, 68820568, 86025710, 172051420, 344102840]

約数ペア:

[(1, 344102840), (2, 172051420), (4, 86025710), (5, 68820568), (8, 43012855), (10, 34410284), (20, 17205142), (40, 8602571), (139, 2475560), (199, 1729160), (278, 1237780), (311, 1106440), (398, 864580), (556, 618890), (622, 553220), (695, 495112), (796, 432290), (995, 345832), (1112, 309445), (1244, 276610), (1390, 247556), (1555, 221288), (1592, 216145), (1990, 172916), (2488, 138305), (2780, 123778), (3110, 110644), (3980, 86458), (5560, 61889), (6220, 55322), (7960, 43229), (12440, 27661)]