291380656

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:703

約数の個数: 120

約数和(自身を含む): 714716160

約数和(自身を除く): 423335504

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 49, 56, 62, 76, 98, 112, 124, 133, 152, 196, 217, 248, 266, 304, 392, 434, 496, 532, 589, 631, 784, 868, 931, 1064, 1178, 1262, 1519, 1736, 1862, 2128, 2356, 2524, 3038, 3472, 3724, 4123, 4417, 4712, 5048, 6076, 7448, 8246, 8834, 9424, 10096, 11989, 12152, 14896, 16492, 17668, 19561, 23978, 24304, 28861, 30919, 32984, 35336, 39122, 47956, 57722, 61838, 65968, 70672, 78244, 83923, 95912, 115444, 123676, 136927, 156488, 167846, 191824, 230888, 247352, 273854, 312976, 335692, 371659, 461776, 494704, 547708, 587461, 671384, 743318, 958489, 1095416, 1174922, 1342768, 1486636, 1916978, 2190832, 2349844, 2601613, 2973272, 3833956, 4699688, 5203226, 5946544, 7667912, 9399376, 10406452, 15335824, 18211291, 20812904, 36422582, 41625808, 72845164, 145690328, 291380656]

約数ペア:

[(1, 291380656), (2, 145690328), (4, 72845164), (7, 41625808), (8, 36422582), (14, 20812904), (16, 18211291), (19, 15335824), (28, 10406452), (31, 9399376), (38, 7667912), (49, 5946544), (56, 5203226), (62, 4699688), (76, 3833956), (98, 2973272), (112, 2601613), (124, 2349844), (133, 2190832), (152, 1916978), (196, 1486636), (217, 1342768), (248, 1174922), (266, 1095416), (304, 958489), (392, 743318), (434, 671384), (496, 587461), (532, 547708), (589, 494704), (631, 461776), (784, 371659), (868, 335692), (931, 312976), (1064, 273854), (1178, 247352), (1262, 230888), (1519, 191824), (1736, 167846), (1862, 156488), (2128, 136927), (2356, 123676), (2524, 115444), (3038, 95912), (3472, 83923), (3724, 78244), (4123, 70672), (4417, 65968), (4712, 61838), (5048, 57722), (6076, 47956), (7448, 39122), (8246, 35336), (8834, 32984), (9424, 30919), (10096, 28861), (11989, 24304), (12152, 23978), (14896, 19561), (16492, 17668)]