254893408

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 192

約数和(自身を含む): 668860416

約数和(自身を除く): 413967008

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 47, 56, 62, 71, 77, 88, 94, 112, 124, 142, 154, 176, 188, 217, 224, 248, 284, 308, 329, 341, 352, 376, 434, 496, 497, 517, 568, 616, 658, 682, 752, 781, 868, 992, 994, 1034, 1136, 1232, 1316, 1364, 1457, 1504, 1562, 1736, 1988, 2068, 2201, 2272, 2387, 2464, 2632, 2728, 2914, 3124, 3337, 3472, 3619, 3976, 4136, 4402, 4774, 5264, 5456, 5467, 5828, 6248, 6674, 6944, 7238, 7952, 8272, 8804, 9548, 10199, 10528, 10912, 10934, 11656, 12496, 13348, 14476, 15407, 15904, 16027, 16544, 17608, 19096, 20398, 21868, 23312, 23359, 24211, 24992, 26696, 28952, 30814, 32054, 35216, 36707, 38192, 40796, 43736, 46624, 46718, 48422, 53392, 57904, 61628, 64108, 70432, 73414, 76384, 81592, 87472, 93436, 96844, 103447, 106784, 112189, 115808, 123256, 128216, 146828, 163184, 169477, 174944, 186872, 193688, 206894, 224378, 246512, 256432, 256949, 293656, 326368, 338954, 373744, 387376, 413788, 448756, 493024, 512864, 513898, 587312, 677908, 724129, 747488, 774752, 827576, 897512, 1027796, 1137917, 1174624, 1355816, 1448258, 1655152, 1795024, 2055592, 2275834, 2711632, 2896516, 3310304, 3590048, 4111184, 4551668, 5423264, 5793032, 7965419, 8222368, 9103336, 11586064, 15930838, 18206672, 23172128, 31861676, 36413344, 63723352, 127446704, 254893408]

約数ペア:

[(1, 254893408), (2, 127446704), (4, 63723352), (7, 36413344), (8, 31861676), (11, 23172128), (14, 18206672), (16, 15930838), (22, 11586064), (28, 9103336), (31, 8222368), (32, 7965419), (44, 5793032), (47, 5423264), (56, 4551668), (62, 4111184), (71, 3590048), (77, 3310304), (88, 2896516), (94, 2711632), (112, 2275834), (124, 2055592), (142, 1795024), (154, 1655152), (176, 1448258), (188, 1355816), (217, 1174624), (224, 1137917), (248, 1027796), (284, 897512), (308, 827576), (329, 774752), (341, 747488), (352, 724129), (376, 677908), (434, 587312), (496, 513898), (497, 512864), (517, 493024), (568, 448756), (616, 413788), (658, 387376), (682, 373744), (752, 338954), (781, 326368), (868, 293656), (992, 256949), (994, 256432), (1034, 246512), (1136, 224378), (1232, 206894), (1316, 193688), (1364, 186872), (1457, 174944), (1504, 169477), (1562, 163184), (1736, 146828), (1988, 128216), (2068, 123256), (2201, 115808), (2272, 112189), (2387, 106784), (2464, 103447), (2632, 96844), (2728, 93436), (2914, 87472), (3124, 81592), (3337, 76384), (3472, 73414), (3619, 70432), (3976, 64108), (4136, 61628), (4402, 57904), (4774, 53392), (5264, 48422), (5456, 46718), (5467, 46624), (5828, 43736), (6248, 40796), (6674, 38192), (6944, 36707), (7238, 35216), (7952, 32054), (8272, 30814), (8804, 28952), (9548, 26696), (10199, 24992), (10528, 24211), (10912, 23359), (10934, 23312), (11656, 21868), (12496, 20398), (13348, 19096), (14476, 17608), (15407, 16544), (15904, 16027)]