640650304

素因数分解:

$2^6\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 168

約数和(自身を含む): 1599587352

約数和(自身を除く): 958937048

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 61, 64, 68, 98, 112, 119, 122, 136, 196, 197, 224, 238, 244, 272, 392, 394, 427, 448, 476, 488, 544, 784, 788, 833, 854, 952, 976, 1037, 1088, 1379, 1568, 1576, 1666, 1708, 1904, 1952, 2074, 2758, 2989, 3136, 3152, 3332, 3349, 3416, 3808, 3904, 4148, 5516, 5978, 6304, 6664, 6698, 6832, 7259, 7616, 8296, 9653, 11032, 11956, 12017, 12608, 13328, 13396, 13664, 14518, 16592, 19306, 22064, 23443, 23912, 24034, 26656, 26792, 27328, 29036, 33184, 38612, 44128, 46886, 47824, 48068, 50813, 53312, 53584, 58072, 66368, 77224, 84119, 88256, 93772, 95648, 96136, 101626, 107168, 116144, 154448, 164101, 168238, 187544, 191296, 192272, 203252, 204289, 214336, 232288, 308896, 328202, 336476, 375088, 384544, 406504, 408578, 464576, 588833, 617792, 656404, 672952, 750176, 769088, 813008, 817156, 1177666, 1312808, 1345904, 1430023, 1500352, 1626016, 1634312, 2355332, 2625616, 2691808, 2860046, 3252032, 3268624, 4710664, 5251232, 5383616, 5720092, 6537248, 9421328, 10010161, 10502464, 11440184, 13074496, 18842656, 20020322, 22880368, 37685312, 40040644, 45760736, 80081288, 91521472, 160162576, 320325152, 640650304]

約数ペア:

[(1, 640650304), (2, 320325152), (4, 160162576), (7, 91521472), (8, 80081288), (14, 45760736), (16, 40040644), (17, 37685312), (28, 22880368), (32, 20020322), (34, 18842656), (49, 13074496), (56, 11440184), (61, 10502464), (64, 10010161), (68, 9421328), (98, 6537248), (112, 5720092), (119, 5383616), (122, 5251232), (136, 4710664), (196, 3268624), (197, 3252032), (224, 2860046), (238, 2691808), (244, 2625616), (272, 2355332), (392, 1634312), (394, 1626016), (427, 1500352), (448, 1430023), (476, 1345904), (488, 1312808), (544, 1177666), (784, 817156), (788, 813008), (833, 769088), (854, 750176), (952, 672952), (976, 656404), (1037, 617792), (1088, 588833), (1379, 464576), (1568, 408578), (1576, 406504), (1666, 384544), (1708, 375088), (1904, 336476), (1952, 328202), (2074, 308896), (2758, 232288), (2989, 214336), (3136, 204289), (3152, 203252), (3332, 192272), (3349, 191296), (3416, 187544), (3808, 168238), (3904, 164101), (4148, 154448), (5516, 116144), (5978, 107168), (6304, 101626), (6664, 96136), (6698, 95648), (6832, 93772), (7259, 88256), (7616, 84119), (8296, 77224), (9653, 66368), (11032, 58072), (11956, 53584), (12017, 53312), (12608, 50813), (13328, 48068), (13396, 47824), (13664, 46886), (14518, 44128), (16592, 38612), (19306, 33184), (22064, 29036), (23443, 27328), (23912, 26792), (24034, 26656)]