140238392

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^2\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 323148960

約数和(自身を除く): 182910568

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 361, 392, 532, 722, 931, 991, 1064, 1444, 1862, 1982, 2527, 2888, 3724, 3964, 5054, 6937, 7448, 7928, 10108, 13874, 17689, 18829, 20216, 27748, 35378, 37658, 48559, 55496, 70756, 75316, 97118, 131803, 141512, 150632, 194236, 263606, 357751, 388472, 527212, 715502, 922621, 1054424, 1431004, 1845242, 2504257, 2862008, 3690484, 5008514, 7380968, 10017028, 17529799, 20034056, 35059598, 70119196, 140238392]

約数ペア:

[(1, 140238392), (2, 70119196), (4, 35059598), (7, 20034056), (8, 17529799), (14, 10017028), (19, 7380968), (28, 5008514), (38, 3690484), (49, 2862008), (56, 2504257), (76, 1845242), (98, 1431004), (133, 1054424), (152, 922621), (196, 715502), (266, 527212), (361, 388472), (392, 357751), (532, 263606), (722, 194236), (931, 150632), (991, 141512), (1064, 131803), (1444, 97118), (1862, 75316), (1982, 70756), (2527, 55496), (2888, 48559), (3724, 37658), (3964, 35378), (5054, 27748), (6937, 20216), (7448, 18829), (7928, 17689), (10108, 13874)]