1339342840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 3374784000

約数和(自身を除く): 2035441160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 139, 220, 244, 278, 305, 359, 440, 488, 556, 610, 671, 695, 718, 1112, 1220, 1342, 1390, 1436, 1529, 1795, 2440, 2684, 2780, 2872, 3058, 3355, 3590, 3949, 5368, 5560, 6116, 6710, 7180, 7645, 7898, 8479, 12232, 13420, 14360, 15290, 15796, 16958, 19745, 21899, 26840, 30580, 31592, 33916, 39490, 42395, 43798, 49901, 61160, 67832, 78980, 84790, 87596, 93269, 99802, 109495, 157960, 169580, 175192, 186538, 199604, 218990, 240889, 249505, 339160, 373076, 399208, 437980, 466345, 481778, 499010, 548911, 746152, 875960, 932690, 963556, 998020, 1097822, 1204445, 1865380, 1927112, 1996040, 2195644, 2408890, 2744555, 3043961, 3730760, 4391288, 4817780, 5489110, 6087922, 9635560, 10978220, 12175844, 15219805, 21956440, 24351688, 30439610, 33483571, 60879220, 66967142, 121758440, 133934284, 167417855, 267868568, 334835710, 669671420, 1339342840]

約数ペア:

[(1, 1339342840), (2, 669671420), (4, 334835710), (5, 267868568), (8, 167417855), (10, 133934284), (11, 121758440), (20, 66967142), (22, 60879220), (40, 33483571), (44, 30439610), (55, 24351688), (61, 21956440), (88, 15219805), (110, 12175844), (122, 10978220), (139, 9635560), (220, 6087922), (244, 5489110), (278, 4817780), (305, 4391288), (359, 3730760), (440, 3043961), (488, 2744555), (556, 2408890), (610, 2195644), (671, 1996040), (695, 1927112), (718, 1865380), (1112, 1204445), (1220, 1097822), (1342, 998020), (1390, 963556), (1436, 932690), (1529, 875960), (1795, 746152), (2440, 548911), (2684, 499010), (2780, 481778), (2872, 466345), (3058, 437980), (3355, 399208), (3590, 373076), (3949, 339160), (5368, 249505), (5560, 240889), (6116, 218990), (6710, 199604), (7180, 186538), (7645, 175192), (7898, 169580), (8479, 157960), (12232, 109495), (13420, 99802), (14360, 93269), (15290, 87596), (15796, 84790), (16958, 78980), (19745, 67832), (21899, 61160), (26840, 49901), (30580, 43798), (31592, 42395), (33916, 39490)]