388191888

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20269}}^1$

素因数の和:20309

約数の個数: 120

約数和(自身を含む): 1307009600

約数和(自身を除く): 918817712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 684, 798, 912, 1008, 1064, 1197, 1368, 1596, 2128, 2394, 2736, 3192, 4788, 6384, 9576, 19152, 20269, 40538, 60807, 81076, 121614, 141883, 162152, 182421, 243228, 283766, 324304, 364842, 385111, 425649, 486456, 567532, 729684, 770222, 851298, 972912, 1135064, 1155333, 1276947, 1459368, 1540444, 1702596, 2270128, 2310666, 2553894, 2695777, 2918736, 3080888, 3405192, 3465999, 4621332, 5107788, 5391554, 6161776, 6810384, 6931998, 8087331, 9242664, 10215576, 10783108, 13863996, 16174662, 18485328, 20431152, 21566216, 24261993, 27727992, 32349324, 43132432, 48523986, 55455984, 64698648, 97047972, 129397296, 194095944, 388191888]

約数ペア:

[(1, 388191888), (2, 194095944), (3, 129397296), (4, 97047972), (6, 64698648), (7, 55455984), (8, 48523986), (9, 43132432), (12, 32349324), (14, 27727992), (16, 24261993), (18, 21566216), (19, 20431152), (21, 18485328), (24, 16174662), (28, 13863996), (36, 10783108), (38, 10215576), (42, 9242664), (48, 8087331), (56, 6931998), (57, 6810384), (63, 6161776), (72, 5391554), (76, 5107788), (84, 4621332), (112, 3465999), (114, 3405192), (126, 3080888), (133, 2918736), (144, 2695777), (152, 2553894), (168, 2310666), (171, 2270128), (228, 1702596), (252, 1540444), (266, 1459368), (304, 1276947), (336, 1155333), (342, 1135064), (399, 972912), (456, 851298), (504, 770222), (532, 729684), (684, 567532), (798, 486456), (912, 425649), (1008, 385111), (1064, 364842), (1197, 324304), (1368, 283766), (1596, 243228), (2128, 182421), (2394, 162152), (2736, 141883), (3192, 121614), (4788, 81076), (6384, 60807), (9576, 40538), (19152, 20269)]