256044544

素因数分解:

$2^9\times 7^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:583

約数の個数: 80

約数和(自身を含む): 589248000

約数和(自身を除く): 333203456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 199, 224, 256, 359, 398, 448, 512, 718, 796, 896, 1393, 1436, 1592, 1792, 2513, 2786, 2872, 3184, 3584, 5026, 5572, 5744, 6368, 10052, 11144, 11488, 12736, 20104, 22288, 22976, 25472, 40208, 44576, 45952, 50944, 71441, 80416, 89152, 91904, 101888, 142882, 160832, 178304, 183808, 285764, 321664, 356608, 500087, 571528, 643328, 713216, 1000174, 1143056, 1286656, 2000348, 2286112, 4000696, 4572224, 8001392, 9144448, 16002784, 18288896, 32005568, 36577792, 64011136, 128022272, 256044544]

約数ペア:

[(1, 256044544), (2, 128022272), (4, 64011136), (7, 36577792), (8, 32005568), (14, 18288896), (16, 16002784), (28, 9144448), (32, 8001392), (56, 4572224), (64, 4000696), (112, 2286112), (128, 2000348), (199, 1286656), (224, 1143056), (256, 1000174), (359, 713216), (398, 643328), (448, 571528), (512, 500087), (718, 356608), (796, 321664), (896, 285764), (1393, 183808), (1436, 178304), (1592, 160832), (1792, 142882), (2513, 101888), (2786, 91904), (2872, 89152), (3184, 80416), (3584, 71441), (5026, 50944), (5572, 45952), (5744, 44576), (6368, 40208), (10052, 25472), (11144, 22976), (11488, 22288), (12736, 20104)]