400188672

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:497

約数の個数: 216

約数和(自身を含む): 1285659648

約数和(自身を除く): 885470976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 32, 36, 39, 48, 52, 62, 64, 72, 78, 93, 96, 104, 117, 124, 128, 144, 156, 186, 192, 208, 234, 248, 256, 279, 288, 312, 372, 384, 403, 416, 431, 468, 496, 558, 576, 624, 744, 768, 806, 832, 862, 936, 992, 1116, 1152, 1209, 1248, 1293, 1488, 1612, 1664, 1724, 1872, 1984, 2232, 2304, 2418, 2496, 2586, 2976, 3224, 3328, 3448, 3627, 3744, 3879, 3968, 4464, 4836, 4992, 5172, 5603, 5952, 6448, 6896, 7254, 7488, 7758, 7936, 8928, 9672, 9984, 10344, 11206, 11904, 12896, 13361, 13792, 14508, 14976, 15516, 16809, 17856, 19344, 20688, 22412, 23808, 25792, 26722, 27584, 29016, 29952, 31032, 33618, 35712, 38688, 40083, 41376, 44824, 50427, 51584, 53444, 55168, 58032, 62064, 67236, 71424, 77376, 80166, 82752, 89648, 100854, 103168, 106888, 110336, 116064, 120249, 124128, 134472, 154752, 160332, 165504, 173693, 179296, 201708, 213776, 232128, 240498, 248256, 268944, 309504, 320664, 331008, 347386, 358592, 403416, 427552, 464256, 480996, 496512, 521079, 537888, 641328, 694772, 717184, 806832, 855104, 928512, 961992, 993024, 1042158, 1075776, 1282656, 1389544, 1434368, 1563237, 1613664, 1710208, 1923984, 2084316, 2151552, 2565312, 2779088, 3126474, 3227328, 3420416, 3847968, 4168632, 4303104, 5130624, 5558176, 6252948, 6454656, 7695936, 8337264, 10261248, 11116352, 12505896, 12909312, 15391872, 16674528, 22232704, 25011792, 30783744, 33349056, 44465408, 50023584, 66698112, 100047168, 133396224, 200094336, 400188672]

約数ペア:

[(1, 400188672), (2, 200094336), (3, 133396224), (4, 100047168), (6, 66698112), (8, 50023584), (9, 44465408), (12, 33349056), (13, 30783744), (16, 25011792), (18, 22232704), (24, 16674528), (26, 15391872), (31, 12909312), (32, 12505896), (36, 11116352), (39, 10261248), (48, 8337264), (52, 7695936), (62, 6454656), (64, 6252948), (72, 5558176), (78, 5130624), (93, 4303104), (96, 4168632), (104, 3847968), (117, 3420416), (124, 3227328), (128, 3126474), (144, 2779088), (156, 2565312), (186, 2151552), (192, 2084316), (208, 1923984), (234, 1710208), (248, 1613664), (256, 1563237), (279, 1434368), (288, 1389544), (312, 1282656), (372, 1075776), (384, 1042158), (403, 993024), (416, 961992), (431, 928512), (468, 855104), (496, 806832), (558, 717184), (576, 694772), (624, 641328), (744, 537888), (768, 521079), (806, 496512), (832, 480996), (862, 464256), (936, 427552), (992, 403416), (1116, 358592), (1152, 347386), (1209, 331008), (1248, 320664), (1293, 309504), (1488, 268944), (1612, 248256), (1664, 240498), (1724, 232128), (1872, 213776), (1984, 201708), (2232, 179296), (2304, 173693), (2418, 165504), (2496, 160332), (2586, 154752), (2976, 134472), (3224, 124128), (3328, 120249), (3448, 116064), (3627, 110336), (3744, 106888), (3879, 103168), (3968, 100854), (4464, 89648), (4836, 82752), (4992, 80166), (5172, 77376), (5603, 71424), (5952, 67236), (6448, 62064), (6896, 58032), (7254, 55168), (7488, 53444), (7758, 51584), (7936, 50427), (8928, 44824), (9672, 41376), (9984, 40083), (10344, 38688), (11206, 35712), (11904, 33618), (12896, 31032), (13361, 29952), (13792, 29016), (14508, 27584), (14976, 26722), (15516, 25792), (16809, 23808), (17856, 22412), (19344, 20688)]