686087808

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{5209}}^1$

素因数の和:5247

約数の個数: 128

約数和(自身を含む): 2125680000

約数和(自身を除く): 1439592192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 343, 384, 392, 448, 588, 672, 686, 784, 896, 1029, 1176, 1344, 1372, 1568, 2058, 2352, 2688, 2744, 3136, 4116, 4704, 5209, 5488, 6272, 8232, 9408, 10418, 10976, 15627, 16464, 18816, 20836, 21952, 31254, 32928, 36463, 41672, 43904, 62508, 65856, 72926, 83344, 109389, 125016, 131712, 145852, 166688, 218778, 250032, 255241, 291704, 333376, 437556, 500064, 510482, 583408, 666752, 765723, 875112, 1000128, 1020964, 1166816, 1531446, 1750224, 1786687, 2000256, 2041928, 2333632, 3062892, 3500448, 3573374, 4083856, 4667264, 5360061, 6125784, 7000896, 7146748, 8167712, 10720122, 12251568, 14001792, 14293496, 16335424, 21440244, 24503136, 28586992, 32670848, 42880488, 49006272, 57173984, 85760976, 98012544, 114347968, 171521952, 228695936, 343043904, 686087808]

約数ペア:

[(1, 686087808), (2, 343043904), (3, 228695936), (4, 171521952), (6, 114347968), (7, 98012544), (8, 85760976), (12, 57173984), (14, 49006272), (16, 42880488), (21, 32670848), (24, 28586992), (28, 24503136), (32, 21440244), (42, 16335424), (48, 14293496), (49, 14001792), (56, 12251568), (64, 10720122), (84, 8167712), (96, 7146748), (98, 7000896), (112, 6125784), (128, 5360061), (147, 4667264), (168, 4083856), (192, 3573374), (196, 3500448), (224, 3062892), (294, 2333632), (336, 2041928), (343, 2000256), (384, 1786687), (392, 1750224), (448, 1531446), (588, 1166816), (672, 1020964), (686, 1000128), (784, 875112), (896, 765723), (1029, 666752), (1176, 583408), (1344, 510482), (1372, 500064), (1568, 437556), (2058, 333376), (2352, 291704), (2688, 255241), (2744, 250032), (3136, 218778), (4116, 166688), (4704, 145852), (5209, 131712), (5488, 125016), (6272, 109389), (8232, 83344), (9408, 72926), (10418, 65856), (10976, 62508), (15627, 43904), (16464, 41672), (18816, 36463), (20836, 32928), (21952, 31254)]