399207984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{2381}}^1$

素因数の和:2898

約数の個数: 80

約数和(自身を含む): 1181472000

約数和(自身を除く): 782264016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 499, 998, 1497, 1996, 2381, 2994, 3493, 3992, 4762, 5988, 6986, 7143, 7984, 9524, 10479, 11976, 13972, 14286, 16667, 19048, 20958, 23952, 27944, 28572, 33334, 38096, 41916, 50001, 55888, 57144, 66668, 83832, 100002, 114288, 133336, 167664, 200004, 266672, 400008, 800016, 1188119, 2376238, 3564357, 4752476, 7128714, 8316833, 9504952, 14257428, 16633666, 19009904, 24950499, 28514856, 33267332, 49900998, 57029712, 66534664, 99801996, 133069328, 199603992, 399207984]

約数ペア:

[(1, 399207984), (2, 199603992), (3, 133069328), (4, 99801996), (6, 66534664), (7, 57029712), (8, 49900998), (12, 33267332), (14, 28514856), (16, 24950499), (21, 19009904), (24, 16633666), (28, 14257428), (42, 9504952), (48, 8316833), (56, 7128714), (84, 4752476), (112, 3564357), (168, 2376238), (336, 1188119), (499, 800016), (998, 400008), (1497, 266672), (1996, 200004), (2381, 167664), (2994, 133336), (3493, 114288), (3992, 100002), (4762, 83832), (5988, 66668), (6986, 57144), (7143, 55888), (7984, 50001), (9524, 41916), (10479, 38096), (11976, 33334), (13972, 28572), (14286, 27944), (16667, 23952), (19048, 20958)]