281662976

素因数分解:

$2^9\times 7^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 120

約数和(自身を含む): 667077840

約数和(自身を除く): 385414864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 103, 109, 112, 128, 196, 206, 218, 224, 256, 392, 412, 436, 448, 512, 721, 763, 784, 824, 872, 896, 1442, 1526, 1568, 1648, 1744, 1792, 2884, 3052, 3136, 3296, 3488, 3584, 5047, 5341, 5768, 6104, 6272, 6592, 6976, 10094, 10682, 11227, 11536, 12208, 12544, 13184, 13952, 20188, 21364, 22454, 23072, 24416, 25088, 26368, 27904, 40376, 42728, 44908, 46144, 48832, 52736, 55808, 78589, 80752, 85456, 89816, 92288, 97664, 157178, 161504, 170912, 179632, 184576, 195328, 314356, 323008, 341824, 359264, 369152, 390656, 550123, 628712, 646016, 683648, 718528, 1100246, 1257424, 1292032, 1367296, 1437056, 2200492, 2514848, 2584064, 2734592, 2874112, 4400984, 5029696, 5748224, 8801968, 10059392, 17603936, 20118784, 35207872, 40237568, 70415744, 140831488, 281662976]

約数ペア:

[(1, 281662976), (2, 140831488), (4, 70415744), (7, 40237568), (8, 35207872), (14, 20118784), (16, 17603936), (28, 10059392), (32, 8801968), (49, 5748224), (56, 5029696), (64, 4400984), (98, 2874112), (103, 2734592), (109, 2584064), (112, 2514848), (128, 2200492), (196, 1437056), (206, 1367296), (218, 1292032), (224, 1257424), (256, 1100246), (392, 718528), (412, 683648), (436, 646016), (448, 628712), (512, 550123), (721, 390656), (763, 369152), (784, 359264), (824, 341824), (872, 323008), (896, 314356), (1442, 195328), (1526, 184576), (1568, 179632), (1648, 170912), (1744, 161504), (1792, 157178), (2884, 97664), (3052, 92288), (3136, 89816), (3296, 85456), (3488, 80752), (3584, 78589), (5047, 55808), (5341, 52736), (5768, 48832), (6104, 46144), (6272, 44908), (6592, 42728), (6976, 40376), (10094, 27904), (10682, 26368), (11227, 25088), (11536, 24416), (12208, 23072), (12544, 22454), (13184, 21364), (13952, 20188)]