400007808

素因数分解:

$2^7\times 3^4\times {\mathrm{41}}^1\times {\mathrm{941}}^1$

素因数の和:1008

約数の個数: 160

約数和(自身を含む): 1220747220

約数和(自身を除く): 820739412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 64, 72, 81, 82, 96, 108, 123, 128, 144, 162, 164, 192, 216, 246, 288, 324, 328, 369, 384, 432, 492, 576, 648, 656, 738, 864, 941, 984, 1107, 1152, 1296, 1312, 1476, 1728, 1882, 1968, 2214, 2592, 2624, 2823, 2952, 3321, 3456, 3764, 3936, 4428, 5184, 5248, 5646, 5904, 6642, 7528, 7872, 8469, 8856, 10368, 11292, 11808, 13284, 15056, 15744, 16938, 17712, 22584, 23616, 25407, 26568, 30112, 33876, 35424, 38581, 45168, 47232, 50814, 53136, 60224, 67752, 70848, 76221, 77162, 90336, 101628, 106272, 115743, 120448, 135504, 141696, 152442, 154324, 180672, 203256, 212544, 231486, 271008, 304884, 308648, 347229, 361344, 406512, 425088, 462972, 542016, 609768, 617296, 694458, 813024, 925944, 1041687, 1084032, 1219536, 1234592, 1388916, 1626048, 1851888, 2083374, 2439072, 2469184, 2777832, 3125061, 3252096, 3703776, 4166748, 4878144, 4938368, 5555664, 6250122, 7407552, 8333496, 9756288, 11111328, 12500244, 14815104, 16666992, 22222656, 25000488, 33333984, 44445312, 50000976, 66667968, 100001952, 133335936, 200003904, 400007808]

約数ペア:

[(1, 400007808), (2, 200003904), (3, 133335936), (4, 100001952), (6, 66667968), (8, 50000976), (9, 44445312), (12, 33333984), (16, 25000488), (18, 22222656), (24, 16666992), (27, 14815104), (32, 12500244), (36, 11111328), (41, 9756288), (48, 8333496), (54, 7407552), (64, 6250122), (72, 5555664), (81, 4938368), (82, 4878144), (96, 4166748), (108, 3703776), (123, 3252096), (128, 3125061), (144, 2777832), (162, 2469184), (164, 2439072), (192, 2083374), (216, 1851888), (246, 1626048), (288, 1388916), (324, 1234592), (328, 1219536), (369, 1084032), (384, 1041687), (432, 925944), (492, 813024), (576, 694458), (648, 617296), (656, 609768), (738, 542016), (864, 462972), (941, 425088), (984, 406512), (1107, 361344), (1152, 347229), (1296, 308648), (1312, 304884), (1476, 271008), (1728, 231486), (1882, 212544), (1968, 203256), (2214, 180672), (2592, 154324), (2624, 152442), (2823, 141696), (2952, 135504), (3321, 120448), (3456, 115743), (3764, 106272), (3936, 101628), (4428, 90336), (5184, 77162), (5248, 76221), (5646, 70848), (5904, 67752), (6642, 60224), (7528, 53136), (7872, 50814), (8469, 47232), (8856, 45168), (10368, 38581), (11292, 35424), (11808, 33876), (13284, 30112), (15056, 26568), (15744, 25407), (16938, 23616), (17712, 22584)]