140021336

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 348364800

約数和(自身を除く): 208343464

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 53, 56, 76, 91, 104, 106, 133, 152, 182, 191, 212, 247, 266, 364, 371, 382, 424, 494, 532, 689, 728, 742, 764, 988, 1007, 1064, 1337, 1378, 1484, 1528, 1729, 1976, 2014, 2483, 2674, 2756, 2968, 3458, 3629, 4028, 4823, 4966, 5348, 5512, 6916, 7049, 7258, 8056, 9646, 9932, 10123, 10696, 13091, 13832, 14098, 14516, 17381, 19292, 19864, 20246, 25403, 26182, 28196, 29032, 34762, 38584, 40492, 47177, 50806, 52364, 56392, 69524, 70861, 80984, 91637, 94354, 101612, 104728, 131599, 139048, 141722, 183274, 188708, 192337, 203224, 263198, 283444, 330239, 366548, 377416, 384674, 526396, 566888, 660478, 733096, 769348, 921193, 1052792, 1320956, 1346359, 1538696, 1842386, 2500381, 2641912, 2692718, 3684772, 5000762, 5385436, 7369544, 10001524, 10770872, 17502667, 20003048, 35005334, 70010668, 140021336]

約数ペア:

[(1, 140021336), (2, 70010668), (4, 35005334), (7, 20003048), (8, 17502667), (13, 10770872), (14, 10001524), (19, 7369544), (26, 5385436), (28, 5000762), (38, 3684772), (52, 2692718), (53, 2641912), (56, 2500381), (76, 1842386), (91, 1538696), (104, 1346359), (106, 1320956), (133, 1052792), (152, 921193), (182, 769348), (191, 733096), (212, 660478), (247, 566888), (266, 526396), (364, 384674), (371, 377416), (382, 366548), (424, 330239), (494, 283444), (532, 263198), (689, 203224), (728, 192337), (742, 188708), (764, 183274), (988, 141722), (1007, 139048), (1064, 131599), (1337, 104728), (1378, 101612), (1484, 94354), (1528, 91637), (1729, 80984), (1976, 70861), (2014, 69524), (2483, 56392), (2674, 52364), (2756, 50806), (2968, 47177), (3458, 40492), (3629, 38584), (4028, 34762), (4823, 29032), (4966, 28196), (5348, 26182), (5512, 25403), (6916, 20246), (7049, 19864), (7258, 19292), (8056, 17381), (9646, 14516), (9932, 14098), (10123, 13832), (10696, 13091)]