279962984

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 658022400

約数和(自身を除く): 378059416

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 67, 83, 116, 124, 134, 166, 203, 217, 232, 248, 268, 332, 406, 434, 469, 536, 581, 664, 812, 868, 899, 938, 1162, 1624, 1736, 1798, 1876, 1943, 2077, 2324, 2407, 2573, 3596, 3752, 3886, 4154, 4648, 4814, 5146, 5561, 6293, 7192, 7772, 8308, 9628, 10292, 11122, 12586, 13601, 14539, 15544, 16616, 16849, 18011, 19256, 20584, 22244, 25172, 27202, 29078, 33698, 36022, 38927, 44488, 50344, 54404, 58156, 60233, 67396, 72044, 74617, 77854, 108808, 116312, 120466, 134792, 144088, 149234, 155708, 161269, 172391, 240932, 298468, 311416, 322538, 344782, 421631, 481864, 522319, 596936, 645076, 689564, 843262, 1044638, 1128883, 1206737, 1290152, 1379128, 1686524, 2089276, 2257766, 2413474, 3373048, 4178552, 4515532, 4826948, 4999339, 9031064, 9653896, 9998678, 19997356, 34995373, 39994712, 69990746, 139981492, 279962984]

約数ペア:

[(1, 279962984), (2, 139981492), (4, 69990746), (7, 39994712), (8, 34995373), (14, 19997356), (28, 9998678), (29, 9653896), (31, 9031064), (56, 4999339), (58, 4826948), (62, 4515532), (67, 4178552), (83, 3373048), (116, 2413474), (124, 2257766), (134, 2089276), (166, 1686524), (203, 1379128), (217, 1290152), (232, 1206737), (248, 1128883), (268, 1044638), (332, 843262), (406, 689564), (434, 645076), (469, 596936), (536, 522319), (581, 481864), (664, 421631), (812, 344782), (868, 322538), (899, 311416), (938, 298468), (1162, 240932), (1624, 172391), (1736, 161269), (1798, 155708), (1876, 149234), (1943, 144088), (2077, 134792), (2324, 120466), (2407, 116312), (2573, 108808), (3596, 77854), (3752, 74617), (3886, 72044), (4154, 67396), (4648, 60233), (4814, 58156), (5146, 54404), (5561, 50344), (6293, 44488), (7192, 38927), (7772, 36022), (8308, 33698), (9628, 29078), (10292, 27202), (11122, 25172), (12586, 22244), (13601, 20584), (14539, 19256), (15544, 18011), (16616, 16849)]