400079808

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 168

約数和(自身を含む): 1220419200

約数和(自身を除く): 820339392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 139, 144, 152, 171, 192, 228, 263, 278, 288, 304, 342, 417, 456, 526, 556, 576, 608, 684, 789, 834, 912, 1052, 1112, 1216, 1251, 1368, 1578, 1668, 1824, 2104, 2224, 2367, 2502, 2641, 2736, 3156, 3336, 3648, 4208, 4448, 4734, 4997, 5004, 5282, 5472, 6312, 6672, 7923, 8416, 8896, 9468, 9994, 10008, 10564, 10944, 12624, 13344, 14991, 15846, 16832, 18936, 19988, 20016, 21128, 23769, 25248, 26688, 29982, 31692, 36557, 37872, 39976, 40032, 42256, 44973, 47538, 50496, 59964, 63384, 73114, 75744, 79952, 80064, 84512, 89946, 95076, 109671, 119928, 126768, 146228, 151488, 159904, 169024, 179892, 190152, 219342, 239856, 253536, 292456, 319808, 329013, 359784, 380304, 438684, 479712, 507072, 584912, 658026, 694583, 719568, 760608, 877368, 959424, 1169824, 1316052, 1389166, 1439136, 1521216, 1754736, 2083749, 2339648, 2632104, 2778332, 2878272, 3509472, 4167498, 5264208, 5556664, 6251247, 7018944, 8334996, 10528416, 11113328, 12502494, 16669992, 21056832, 22226656, 25004988, 33339984, 44453312, 50009976, 66679968, 100019952, 133359936, 200039904, 400079808]

約数ペア:

[(1, 400079808), (2, 200039904), (3, 133359936), (4, 100019952), (6, 66679968), (8, 50009976), (9, 44453312), (12, 33339984), (16, 25004988), (18, 22226656), (19, 21056832), (24, 16669992), (32, 12502494), (36, 11113328), (38, 10528416), (48, 8334996), (57, 7018944), (64, 6251247), (72, 5556664), (76, 5264208), (96, 4167498), (114, 3509472), (139, 2878272), (144, 2778332), (152, 2632104), (171, 2339648), (192, 2083749), (228, 1754736), (263, 1521216), (278, 1439136), (288, 1389166), (304, 1316052), (342, 1169824), (417, 959424), (456, 877368), (526, 760608), (556, 719568), (576, 694583), (608, 658026), (684, 584912), (789, 507072), (834, 479712), (912, 438684), (1052, 380304), (1112, 359784), (1216, 329013), (1251, 319808), (1368, 292456), (1578, 253536), (1668, 239856), (1824, 219342), (2104, 190152), (2224, 179892), (2367, 169024), (2502, 159904), (2641, 151488), (2736, 146228), (3156, 126768), (3336, 119928), (3648, 109671), (4208, 95076), (4448, 89946), (4734, 84512), (4997, 80064), (5004, 79952), (5282, 75744), (5472, 73114), (6312, 63384), (6672, 59964), (7923, 50496), (8416, 47538), (8896, 44973), (9468, 42256), (9994, 40032), (10008, 39976), (10564, 37872), (10944, 36557), (12624, 31692), (13344, 29982), (14991, 26688), (15846, 25248), (16832, 23769), (18936, 21128), (19988, 20016)]