139994512

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 325725184

約数和(自身を除く): 185730672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 61, 62, 112, 122, 124, 217, 244, 248, 427, 434, 488, 496, 661, 854, 868, 976, 1322, 1708, 1736, 1891, 2644, 3416, 3472, 3782, 4627, 5288, 6832, 7564, 9254, 10576, 13237, 15128, 18508, 20491, 26474, 30256, 37016, 40321, 40982, 52948, 74032, 80642, 81964, 105896, 143437, 161284, 163928, 211792, 282247, 286874, 322568, 327856, 564494, 573748, 645136, 1128988, 1147496, 1249951, 2257976, 2294992, 2499902, 4515952, 4999804, 8749657, 9999608, 17499314, 19999216, 34998628, 69997256, 139994512]

約数ペア:

[(1, 139994512), (2, 69997256), (4, 34998628), (7, 19999216), (8, 17499314), (14, 9999608), (16, 8749657), (28, 4999804), (31, 4515952), (56, 2499902), (61, 2294992), (62, 2257976), (112, 1249951), (122, 1147496), (124, 1128988), (217, 645136), (244, 573748), (248, 564494), (427, 327856), (434, 322568), (488, 286874), (496, 282247), (661, 211792), (854, 163928), (868, 161284), (976, 143437), (1322, 105896), (1708, 81964), (1736, 80642), (1891, 74032), (2644, 52948), (3416, 40982), (3472, 40321), (3782, 37016), (4627, 30256), (5288, 26474), (6832, 20491), (7564, 18508), (9254, 15128), (10576, 13237)]