199989328

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 485683200

約数和(自身を除く): 285693872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 271, 308, 542, 599, 616, 1084, 1198, 1232, 1897, 2168, 2396, 2981, 3794, 4193, 4336, 4792, 5962, 6589, 7588, 8386, 9584, 11924, 13178, 15176, 16772, 20867, 23848, 26356, 30352, 33544, 41734, 46123, 47696, 52712, 67088, 83468, 92246, 105424, 162329, 166936, 184492, 324658, 333872, 368984, 649316, 737968, 1136303, 1298632, 1785619, 2272606, 2597264, 3571238, 4545212, 7142476, 9090424, 12499333, 14284952, 18180848, 24998666, 28569904, 49997332, 99994664, 199989328]

約数ペア:

[(1, 199989328), (2, 99994664), (4, 49997332), (7, 28569904), (8, 24998666), (11, 18180848), (14, 14284952), (16, 12499333), (22, 9090424), (28, 7142476), (44, 4545212), (56, 3571238), (77, 2597264), (88, 2272606), (112, 1785619), (154, 1298632), (176, 1136303), (271, 737968), (308, 649316), (542, 368984), (599, 333872), (616, 324658), (1084, 184492), (1198, 166936), (1232, 162329), (1897, 105424), (2168, 92246), (2396, 83468), (2981, 67088), (3794, 52712), (4193, 47696), (4336, 46123), (4792, 41734), (5962, 33544), (6589, 30352), (7588, 26356), (8386, 23848), (9584, 20867), (11924, 16772), (13178, 15176)]