305857664

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 734400000

約数和(自身を除く): 428542336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 79, 112, 116, 128, 149, 158, 203, 224, 232, 298, 316, 406, 448, 464, 553, 596, 632, 812, 896, 928, 1043, 1106, 1192, 1264, 1624, 1856, 2086, 2212, 2291, 2384, 2528, 3248, 3712, 4172, 4321, 4424, 4582, 4768, 5056, 6496, 8344, 8642, 8848, 9164, 9536, 10112, 11771, 12992, 16037, 16688, 17284, 17696, 18328, 19072, 23542, 25984, 30247, 32074, 33376, 34568, 35392, 36656, 47084, 60494, 64148, 66752, 69136, 70784, 73312, 82397, 94168, 120988, 128296, 133504, 138272, 146624, 164794, 188336, 241976, 256592, 276544, 293248, 329588, 341359, 376672, 483952, 513184, 553088, 659176, 682718, 753344, 967904, 1026368, 1318352, 1365436, 1506688, 1935808, 2052736, 2389513, 2636704, 2730872, 3871616, 4779026, 5273408, 5461744, 9558052, 10546816, 10923488, 19116104, 21846976, 38232208, 43693952, 76464416, 152928832, 305857664]

約数ペア:

[(1, 305857664), (2, 152928832), (4, 76464416), (7, 43693952), (8, 38232208), (14, 21846976), (16, 19116104), (28, 10923488), (29, 10546816), (32, 9558052), (56, 5461744), (58, 5273408), (64, 4779026), (79, 3871616), (112, 2730872), (116, 2636704), (128, 2389513), (149, 2052736), (158, 1935808), (203, 1506688), (224, 1365436), (232, 1318352), (298, 1026368), (316, 967904), (406, 753344), (448, 682718), (464, 659176), (553, 553088), (596, 513184), (632, 483952), (812, 376672), (896, 341359), (928, 329588), (1043, 293248), (1106, 276544), (1192, 256592), (1264, 241976), (1624, 188336), (1856, 164794), (2086, 146624), (2212, 138272), (2291, 133504), (2384, 128296), (2528, 120988), (3248, 94168), (3712, 82397), (4172, 73312), (4321, 70784), (4424, 69136), (4582, 66752), (4768, 64148), (5056, 60494), (6496, 47084), (8344, 36656), (8642, 35392), (8848, 34568), (9164, 33376), (9536, 32074), (10112, 30247), (11771, 25984), (12992, 23542), (16037, 19072), (16688, 18328), (17284, 17696)]