305865728

素因数分解:

$2^{10}\times 7^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:699

約数の個数: 88

約数和(自身を含む): 709801344

約数和(自身を除く): 403935616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 512, 568, 601, 896, 994, 1024, 1136, 1202, 1792, 1988, 2272, 2404, 3584, 3976, 4207, 4544, 4808, 7168, 7952, 8414, 9088, 9616, 15904, 16828, 18176, 19232, 31808, 33656, 36352, 38464, 42671, 63616, 67312, 72704, 76928, 85342, 127232, 134624, 153856, 170684, 254464, 269248, 298697, 307712, 341368, 508928, 538496, 597394, 615424, 682736, 1076992, 1194788, 1365472, 2153984, 2389576, 2730944, 4307968, 4779152, 5461888, 9558304, 10923776, 19116608, 21847552, 38233216, 43695104, 76466432, 152932864, 305865728]

約数ペア:

[(1, 305865728), (2, 152932864), (4, 76466432), (7, 43695104), (8, 38233216), (14, 21847552), (16, 19116608), (28, 10923776), (32, 9558304), (56, 5461888), (64, 4779152), (71, 4307968), (112, 2730944), (128, 2389576), (142, 2153984), (224, 1365472), (256, 1194788), (284, 1076992), (448, 682736), (497, 615424), (512, 597394), (568, 538496), (601, 508928), (896, 341368), (994, 307712), (1024, 298697), (1136, 269248), (1202, 254464), (1792, 170684), (1988, 153856), (2272, 134624), (2404, 127232), (3584, 85342), (3976, 76928), (4207, 72704), (4544, 67312), (4808, 63616), (7168, 42671), (7952, 38464), (8414, 36352), (9088, 33656), (9616, 31808), (15904, 19232), (16828, 18176)]