489257748

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 216

約数和(自身を含む): 1553610240

約数和(自身を除く): 1064352492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 31, 36, 42, 46, 49, 62, 63, 69, 84, 92, 93, 98, 124, 126, 138, 147, 161, 186, 196, 207, 217, 252, 276, 279, 294, 322, 372, 389, 414, 434, 441, 483, 558, 588, 644, 651, 713, 778, 828, 868, 882, 966, 1116, 1127, 1167, 1302, 1426, 1449, 1519, 1556, 1764, 1932, 1953, 2139, 2254, 2334, 2604, 2723, 2852, 2898, 3038, 3381, 3501, 3906, 4278, 4508, 4557, 4668, 4991, 5446, 5796, 6076, 6417, 6762, 7002, 7812, 8169, 8556, 8947, 9114, 9982, 10143, 10892, 12059, 12834, 13524, 13671, 14004, 14973, 16338, 17894, 18228, 19061, 19964, 20286, 24118, 24507, 25668, 26841, 27342, 29946, 32676, 34937, 35788, 36177, 38122, 40572, 44919, 48236, 49014, 53682, 54684, 57183, 59892, 62629, 69874, 72354, 76244, 80523, 84413, 89838, 98028, 104811, 107364, 108531, 114366, 125258, 139748, 144708, 161046, 168826, 171549, 179676, 187887, 209622, 217062, 228732, 250516, 253239, 277357, 314433, 322092, 337652, 343098, 375774, 419244, 434124, 438403, 506478, 554714, 563661, 590891, 628866, 686196, 751548, 759717, 832071, 876806, 1012956, 1109428, 1127322, 1181782, 1257732, 1315209, 1519434, 1664142, 1753612, 1772673, 1941499, 2254644, 2363564, 2496213, 2630418, 3038868, 3328284, 3545346, 3882998, 3945627, 4992426, 5260836, 5318019, 5824497, 7090692, 7765996, 7891254, 9984852, 10636038, 11648994, 13590493, 15782508, 17473491, 21272076, 23297988, 27180986, 34946982, 40771479, 54361972, 69893964, 81542958, 122314437, 163085916, 244628874, 489257748]

約数ペア:

[(1, 489257748), (2, 244628874), (3, 163085916), (4, 122314437), (6, 81542958), (7, 69893964), (9, 54361972), (12, 40771479), (14, 34946982), (18, 27180986), (21, 23297988), (23, 21272076), (28, 17473491), (31, 15782508), (36, 13590493), (42, 11648994), (46, 10636038), (49, 9984852), (62, 7891254), (63, 7765996), (69, 7090692), (84, 5824497), (92, 5318019), (93, 5260836), (98, 4992426), (124, 3945627), (126, 3882998), (138, 3545346), (147, 3328284), (161, 3038868), (186, 2630418), (196, 2496213), (207, 2363564), (217, 2254644), (252, 1941499), (276, 1772673), (279, 1753612), (294, 1664142), (322, 1519434), (372, 1315209), (389, 1257732), (414, 1181782), (434, 1127322), (441, 1109428), (483, 1012956), (558, 876806), (588, 832071), (644, 759717), (651, 751548), (713, 686196), (778, 628866), (828, 590891), (868, 563661), (882, 554714), (966, 506478), (1116, 438403), (1127, 434124), (1167, 419244), (1302, 375774), (1426, 343098), (1449, 337652), (1519, 322092), (1556, 314433), (1764, 277357), (1932, 253239), (1953, 250516), (2139, 228732), (2254, 217062), (2334, 209622), (2604, 187887), (2723, 179676), (2852, 171549), (2898, 168826), (3038, 161046), (3381, 144708), (3501, 139748), (3906, 125258), (4278, 114366), (4508, 108531), (4557, 107364), (4668, 104811), (4991, 98028), (5446, 89838), (5796, 84413), (6076, 80523), (6417, 76244), (6762, 72354), (7002, 69874), (7812, 62629), (8169, 59892), (8556, 57183), (8947, 54684), (9114, 53682), (9982, 49014), (10143, 48236), (10892, 44919), (12059, 40572), (12834, 38122), (13524, 36177), (13671, 35788), (14004, 34937), (14973, 32676), (16338, 29946), (17894, 27342), (18228, 26841), (19061, 25668), (19964, 24507), (20286, 24118)]