140831488

素因数分解:

$2^8\times 7^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 108

約数和(自身を含む): 333212880

約数和(自身を除く): 192381392

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, 721, 763, 784, 824, 872, 896, 1442, 1526, 1568, 1648, 1744, 1792, 2884, 3052, 3136, 3296, 3488, 5047, 5341, 5768, 6104, 6272, 6592, 6976, 10094, 10682, 11227, 11536, 12208, 12544, 13184, 13952, 20188, 21364, 22454, 23072, 24416, 26368, 27904, 40376, 42728, 44908, 46144, 48832, 78589, 80752, 85456, 89816, 92288, 97664, 157178, 161504, 170912, 179632, 184576, 195328, 314356, 323008, 341824, 359264, 550123, 628712, 646016, 683648, 718528, 1100246, 1257424, 1292032, 1367296, 1437056, 2200492, 2514848, 2874112, 4400984, 5029696, 8801968, 10059392, 17603936, 20118784, 35207872, 70415744, 140831488]

約数ペア:

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