201168128

素因数分解:

$2^8\times 7^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 490560000

約数和(自身を除く): 289391872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 64, 79, 98, 112, 116, 128, 158, 196, 203, 224, 232, 256, 316, 343, 392, 406, 448, 464, 553, 632, 686, 784, 812, 896, 928, 1106, 1264, 1372, 1421, 1568, 1624, 1792, 1856, 2212, 2291, 2528, 2744, 2842, 3136, 3248, 3712, 3871, 4424, 4582, 5056, 5488, 5684, 6272, 6496, 7424, 7742, 8848, 9164, 9947, 10112, 10976, 11368, 12544, 12992, 15484, 16037, 17696, 18328, 19894, 20224, 21952, 22736, 25984, 27097, 30968, 32074, 35392, 36656, 39788, 43904, 45472, 51968, 54194, 61936, 64148, 70784, 73312, 79576, 87808, 90944, 108388, 112259, 123872, 128296, 141568, 146624, 159152, 181888, 216776, 224518, 247744, 256592, 293248, 318304, 363776, 433552, 449036, 495488, 513184, 586496, 636608, 785813, 867104, 898072, 990976, 1026368, 1273216, 1571626, 1734208, 1796144, 2052736, 2546432, 3143252, 3468416, 3592288, 4105472, 6286504, 6936832, 7184576, 12573008, 14369152, 25146016, 28738304, 50292032, 100584064, 201168128]

約数ペア:

[(1, 201168128), (2, 100584064), (4, 50292032), (7, 28738304), (8, 25146016), (14, 14369152), (16, 12573008), (28, 7184576), (29, 6936832), (32, 6286504), (49, 4105472), (56, 3592288), (58, 3468416), (64, 3143252), (79, 2546432), (98, 2052736), (112, 1796144), (116, 1734208), (128, 1571626), (158, 1273216), (196, 1026368), (203, 990976), (224, 898072), (232, 867104), (256, 785813), (316, 636608), (343, 586496), (392, 513184), (406, 495488), (448, 449036), (464, 433552), (553, 363776), (632, 318304), (686, 293248), (784, 256592), (812, 247744), (896, 224518), (928, 216776), (1106, 181888), (1264, 159152), (1372, 146624), (1421, 141568), (1568, 128296), (1624, 123872), (1792, 112259), (1856, 108388), (2212, 90944), (2291, 87808), (2528, 79576), (2744, 73312), (2842, 70784), (3136, 64148), (3248, 61936), (3712, 54194), (3871, 51968), (4424, 45472), (4582, 43904), (5056, 39788), (5488, 36656), (5684, 35392), (6272, 32074), (6496, 30968), (7424, 27097), (7742, 25984), (8848, 22736), (9164, 21952), (9947, 20224), (10112, 19894), (10976, 18328), (11368, 17696), (12544, 16037), (12992, 15484)]