400368416

素因数分解:

$2^5\times 7^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 965030976

約数和(自身を除く): 564662560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 67, 74, 98, 103, 112, 134, 148, 196, 206, 224, 259, 268, 296, 392, 412, 469, 518, 536, 592, 721, 784, 824, 938, 1036, 1072, 1184, 1442, 1568, 1648, 1813, 1876, 2072, 2144, 2479, 2884, 3283, 3296, 3626, 3752, 3811, 4144, 4958, 5047, 5768, 6566, 6901, 7252, 7504, 7622, 8288, 9916, 10094, 11536, 13132, 13802, 14504, 15008, 15244, 17353, 19832, 20188, 23072, 26264, 26677, 27604, 29008, 30488, 34706, 39664, 40376, 48307, 52528, 53354, 55208, 58016, 60976, 69412, 79328, 80752, 96614, 105056, 106708, 110416, 121471, 121952, 138824, 161504, 186739, 193228, 213416, 220832, 242942, 255337, 277648, 338149, 373478, 386456, 426832, 485884, 510674, 555296, 676298, 746956, 772912, 853664, 971768, 1021348, 1352596, 1493912, 1545824, 1787359, 1943536, 2042696, 2705192, 2987824, 3574718, 3887072, 4085392, 5410384, 5975648, 7149436, 8170784, 10820768, 12511513, 14298872, 25023026, 28597744, 50046052, 57195488, 100092104, 200184208, 400368416]

約数ペア:

[(1, 400368416), (2, 200184208), (4, 100092104), (7, 57195488), (8, 50046052), (14, 28597744), (16, 25023026), (28, 14298872), (32, 12511513), (37, 10820768), (49, 8170784), (56, 7149436), (67, 5975648), (74, 5410384), (98, 4085392), (103, 3887072), (112, 3574718), (134, 2987824), (148, 2705192), (196, 2042696), (206, 1943536), (224, 1787359), (259, 1545824), (268, 1493912), (296, 1352596), (392, 1021348), (412, 971768), (469, 853664), (518, 772912), (536, 746956), (592, 676298), (721, 555296), (784, 510674), (824, 485884), (938, 426832), (1036, 386456), (1072, 373478), (1184, 338149), (1442, 277648), (1568, 255337), (1648, 242942), (1813, 220832), (1876, 213416), (2072, 193228), (2144, 186739), (2479, 161504), (2884, 138824), (3283, 121952), (3296, 121471), (3626, 110416), (3752, 106708), (3811, 105056), (4144, 96614), (4958, 80752), (5047, 79328), (5768, 69412), (6566, 60976), (6901, 58016), (7252, 55208), (7504, 53354), (7622, 52528), (8288, 48307), (9916, 40376), (10094, 39664), (11536, 34706), (13132, 30488), (13802, 29008), (14504, 27604), (15008, 26677), (15244, 26264), (17353, 23072), (19832, 20188)]