278315262

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:530

約数の個数: 96

約数和(自身を含む): 670550400

約数和(自身を除く): 392235138

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 34, 51, 58, 79, 87, 102, 153, 158, 174, 237, 261, 306, 397, 474, 493, 522, 711, 794, 986, 1191, 1343, 1422, 1479, 2291, 2382, 2686, 2958, 3573, 4029, 4437, 4582, 6749, 6873, 7146, 8058, 8874, 11513, 12087, 13498, 13746, 20247, 20619, 23026, 24174, 31363, 34539, 38947, 40494, 41238, 60741, 62726, 69078, 77894, 94089, 103617, 116841, 121482, 188178, 195721, 207234, 233682, 282267, 350523, 391442, 533171, 564534, 587163, 701046, 909527, 1066342, 1174326, 1599513, 1761489, 1819054, 2728581, 3199026, 3522978, 4798539, 5457162, 8185743, 9597078, 15461959, 16371486, 30923918, 46385877, 92771754, 139157631, 278315262]

約数ペア:

[(1, 278315262), (2, 139157631), (3, 92771754), (6, 46385877), (9, 30923918), (17, 16371486), (18, 15461959), (29, 9597078), (34, 8185743), (51, 5457162), (58, 4798539), (79, 3522978), (87, 3199026), (102, 2728581), (153, 1819054), (158, 1761489), (174, 1599513), (237, 1174326), (261, 1066342), (306, 909527), (397, 701046), (474, 587163), (493, 564534), (522, 533171), (711, 391442), (794, 350523), (986, 282267), (1191, 233682), (1343, 207234), (1422, 195721), (1479, 188178), (2291, 121482), (2382, 116841), (2686, 103617), (2958, 94089), (3573, 77894), (4029, 69078), (4437, 62726), (4582, 60741), (6749, 41238), (6873, 40494), (7146, 38947), (8058, 34539), (8874, 31363), (11513, 24174), (12087, 23026), (13498, 20619), (13746, 20247)]