278225496

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1206

約数の個数: 128

約数和(自身を含む): 820070400

約数和(自身を除く): 541844904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 37, 54, 62, 72, 74, 93, 108, 111, 124, 148, 186, 216, 222, 248, 279, 296, 333, 372, 444, 558, 666, 744, 837, 888, 999, 1116, 1123, 1147, 1332, 1674, 1998, 2232, 2246, 2294, 2664, 3348, 3369, 3441, 3996, 4492, 4588, 6696, 6738, 6882, 7992, 8984, 9176, 10107, 10323, 13476, 13764, 20214, 20646, 26952, 27528, 30321, 30969, 34813, 40428, 41292, 41551, 60642, 61938, 69626, 80856, 82584, 83102, 104439, 121284, 123876, 124653, 139252, 166204, 208878, 242568, 247752, 249306, 278504, 313317, 332408, 373959, 417756, 498612, 626634, 747918, 835512, 939951, 997224, 1121877, 1253268, 1288081, 1495836, 1879902, 2243754, 2506536, 2576162, 2991672, 3759804, 3864243, 4487508, 5152324, 7519608, 7728486, 8975016, 10304648, 11592729, 15456972, 23185458, 30913944, 34778187, 46370916, 69556374, 92741832, 139112748, 278225496]

約数ペア:

[(1, 278225496), (2, 139112748), (3, 92741832), (4, 69556374), (6, 46370916), (8, 34778187), (9, 30913944), (12, 23185458), (18, 15456972), (24, 11592729), (27, 10304648), (31, 8975016), (36, 7728486), (37, 7519608), (54, 5152324), (62, 4487508), (72, 3864243), (74, 3759804), (93, 2991672), (108, 2576162), (111, 2506536), (124, 2243754), (148, 1879902), (186, 1495836), (216, 1288081), (222, 1253268), (248, 1121877), (279, 997224), (296, 939951), (333, 835512), (372, 747918), (444, 626634), (558, 498612), (666, 417756), (744, 373959), (837, 332408), (888, 313317), (999, 278504), (1116, 249306), (1123, 247752), (1147, 242568), (1332, 208878), (1674, 166204), (1998, 139252), (2232, 124653), (2246, 123876), (2294, 121284), (2664, 104439), (3348, 83102), (3369, 82584), (3441, 80856), (3996, 69626), (4492, 61938), (4588, 60642), (6696, 41551), (6738, 41292), (6882, 40428), (7992, 34813), (8984, 30969), (9176, 30321), (10107, 27528), (10323, 26952), (13476, 20646), (13764, 20214)]