278311686928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{72461}}^1$

素因数の和:72776

約数の個数: 80

約数和(自身を含む): 596263711680

約数和(自身を除く): 317952024752

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 157, 176, 278, 314, 556, 628, 1112, 1256, 1529, 1727, 2224, 2512, 3058, 3454, 6116, 6908, 12232, 13816, 21823, 24464, 27632, 43646, 72461, 87292, 144922, 174584, 240053, 289844, 349168, 480106, 579688, 797071, 960212, 1159376, 1594142, 1920424, 3188284, 3840848, 6376568, 10072079, 11376377, 12753136, 20144158, 22752754, 40288316, 45505508, 80576632, 91011016, 110792869, 125140147, 161153264, 182022032, 221585738, 250280294, 443171476, 500560588, 886342952, 1001121176, 1581316403, 1772685904, 2002242352, 3162632806, 6325265612, 12650531224, 17394480433, 25301062448, 34788960866, 69577921732, 139155843464, 278311686928]

約数ペア:

[(1, 278311686928), (2, 139155843464), (4, 69577921732), (8, 34788960866), (11, 25301062448), (16, 17394480433), (22, 12650531224), (44, 6325265612), (88, 3162632806), (139, 2002242352), (157, 1772685904), (176, 1581316403), (278, 1001121176), (314, 886342952), (556, 500560588), (628, 443171476), (1112, 250280294), (1256, 221585738), (1529, 182022032), (1727, 161153264), (2224, 125140147), (2512, 110792869), (3058, 91011016), (3454, 80576632), (6116, 45505508), (6908, 40288316), (12232, 22752754), (13816, 20144158), (21823, 12753136), (24464, 11376377), (27632, 10072079), (43646, 6376568), (72461, 3840848), (87292, 3188284), (144922, 1920424), (174584, 1594142), (240053, 1159376), (289844, 960212), (349168, 797071), (480106, 579688)]