209376728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 477757440

約数和(自身を除く): 268380712

約数列:

[1, 2, 4, 8, 11, 22, 23, 31, 44, 46, 47, 62, 71, 88, 92, 94, 124, 142, 184, 188, 248, 253, 284, 341, 376, 506, 517, 568, 682, 713, 781, 1012, 1034, 1081, 1364, 1426, 1457, 1562, 1633, 2024, 2068, 2162, 2201, 2728, 2852, 2914, 3124, 3266, 3337, 4136, 4324, 4402, 5704, 5828, 6248, 6532, 6674, 7843, 8648, 8804, 11656, 11891, 13064, 13348, 15686, 16027, 17608, 17963, 23782, 24211, 26696, 31372, 32054, 33511, 35926, 36707, 47564, 48422, 50623, 62744, 64108, 67022, 71852, 73414, 76751, 95128, 96844, 101246, 103447, 128216, 134044, 143704, 146828, 153502, 193688, 202492, 206894, 268088, 293656, 307004, 368621, 404984, 413788, 556853, 614008, 737242, 827576, 844261, 1113706, 1137917, 1474484, 1688522, 2227412, 2275834, 2379281, 2948968, 3377044, 4454824, 4551668, 4758562, 6754088, 9103336, 9517124, 19034248, 26172091, 52344182, 104688364, 209376728]

約数ペア:

[(1, 209376728), (2, 104688364), (4, 52344182), (8, 26172091), (11, 19034248), (22, 9517124), (23, 9103336), (31, 6754088), (44, 4758562), (46, 4551668), (47, 4454824), (62, 3377044), (71, 2948968), (88, 2379281), (92, 2275834), (94, 2227412), (124, 1688522), (142, 1474484), (184, 1137917), (188, 1113706), (248, 844261), (253, 827576), (284, 737242), (341, 614008), (376, 556853), (506, 413788), (517, 404984), (568, 368621), (682, 307004), (713, 293656), (781, 268088), (1012, 206894), (1034, 202492), (1081, 193688), (1364, 153502), (1426, 146828), (1457, 143704), (1562, 134044), (1633, 128216), (2024, 103447), (2068, 101246), (2162, 96844), (2201, 95128), (2728, 76751), (2852, 73414), (2914, 71852), (3124, 67022), (3266, 64108), (3337, 62744), (4136, 50623), (4324, 48422), (4402, 47564), (5704, 36707), (5828, 35926), (6248, 33511), (6532, 32054), (6674, 31372), (7843, 26696), (8648, 24211), (8804, 23782), (11656, 17963), (11891, 17608), (13064, 16027), (13348, 15686)]