279720688

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 627388416

約数和(自身を除く): 347667728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 47, 52, 62, 71, 94, 104, 124, 142, 169, 188, 208, 248, 284, 338, 376, 403, 496, 568, 611, 676, 752, 806, 923, 1136, 1222, 1352, 1457, 1612, 1846, 2201, 2444, 2704, 2914, 3224, 3337, 3692, 4402, 4888, 5239, 5828, 6448, 6674, 7384, 7943, 8804, 9776, 10478, 11656, 11999, 13348, 14768, 15886, 17608, 18941, 20956, 23312, 23998, 26696, 28613, 31772, 35216, 37882, 41912, 43381, 47996, 53392, 57226, 63544, 75764, 83824, 86762, 95992, 103447, 114452, 127088, 151528, 173524, 191984, 206894, 228904, 246233, 303056, 347048, 371969, 413788, 457808, 492466, 563953, 694096, 743938, 827576, 984932, 1127906, 1344811, 1487876, 1655152, 1969864, 2255812, 2689622, 2975752, 3939728, 4511624, 5379244, 5951504, 9023248, 10758488, 17482543, 21516976, 34965086, 69930172, 139860344, 279720688]

約数ペア:

[(1, 279720688), (2, 139860344), (4, 69930172), (8, 34965086), (13, 21516976), (16, 17482543), (26, 10758488), (31, 9023248), (47, 5951504), (52, 5379244), (62, 4511624), (71, 3939728), (94, 2975752), (104, 2689622), (124, 2255812), (142, 1969864), (169, 1655152), (188, 1487876), (208, 1344811), (248, 1127906), (284, 984932), (338, 827576), (376, 743938), (403, 694096), (496, 563953), (568, 492466), (611, 457808), (676, 413788), (752, 371969), (806, 347048), (923, 303056), (1136, 246233), (1222, 228904), (1352, 206894), (1457, 191984), (1612, 173524), (1846, 151528), (2201, 127088), (2444, 114452), (2704, 103447), (2914, 95992), (3224, 86762), (3337, 83824), (3692, 75764), (4402, 63544), (4888, 57226), (5239, 53392), (5828, 47996), (6448, 43381), (6674, 41912), (7384, 37882), (7943, 35216), (8804, 31772), (9776, 28613), (10478, 26696), (11656, 23998), (11999, 23312), (13348, 20956), (14768, 18941), (15886, 17608)]