278168072

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 689472000

約数和(自身を除く): 411303928

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 37, 46, 52, 56, 74, 91, 92, 104, 148, 161, 182, 184, 259, 296, 299, 322, 364, 449, 481, 518, 598, 644, 728, 851, 898, 962, 1036, 1196, 1288, 1702, 1796, 1924, 2072, 2093, 2392, 3143, 3367, 3404, 3592, 3848, 4186, 5837, 5957, 6286, 6734, 6808, 8372, 10327, 11063, 11674, 11914, 12572, 13468, 16613, 16744, 20654, 22126, 23348, 23828, 25144, 26936, 33226, 40859, 41308, 44252, 46696, 47656, 66452, 72289, 77441, 81718, 82616, 88504, 116291, 132904, 134251, 144578, 154882, 163436, 215969, 232582, 268502, 289156, 309764, 326872, 382099, 431938, 465164, 537004, 578312, 619528, 764198, 863876, 930328, 939757, 1074008, 1511783, 1528396, 1727752, 1879514, 2674693, 3023566, 3056792, 3759028, 4967287, 5349386, 6047132, 7518056, 9934574, 10698772, 12094264, 19869148, 21397544, 34771009, 39738296, 69542018, 139084036, 278168072]

約数ペア:

[(1, 278168072), (2, 139084036), (4, 69542018), (7, 39738296), (8, 34771009), (13, 21397544), (14, 19869148), (23, 12094264), (26, 10698772), (28, 9934574), (37, 7518056), (46, 6047132), (52, 5349386), (56, 4967287), (74, 3759028), (91, 3056792), (92, 3023566), (104, 2674693), (148, 1879514), (161, 1727752), (182, 1528396), (184, 1511783), (259, 1074008), (296, 939757), (299, 930328), (322, 863876), (364, 764198), (449, 619528), (481, 578312), (518, 537004), (598, 465164), (644, 431938), (728, 382099), (851, 326872), (898, 309764), (962, 289156), (1036, 268502), (1196, 232582), (1288, 215969), (1702, 163436), (1796, 154882), (1924, 144578), (2072, 134251), (2093, 132904), (2392, 116291), (3143, 88504), (3367, 82616), (3404, 81718), (3592, 77441), (3848, 72289), (4186, 66452), (5837, 47656), (5957, 46696), (6286, 44252), (6734, 41308), (6808, 40859), (8372, 33226), (10327, 26936), (11063, 25144), (11674, 23828), (11914, 23348), (12572, 22126), (13468, 20654), (16613, 16744)]