490144256

素因数分解:

$2^9\times 7^3\times {\mathrm{2791}}^1$

素因数の和:2830

約数の個数: 80

約数和(自身を含む): 1142486400

約数和(自身を除く): 652342144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 896, 1372, 1568, 1792, 2744, 2791, 3136, 3584, 5488, 5582, 6272, 10976, 11164, 12544, 19537, 21952, 22328, 25088, 39074, 43904, 44656, 78148, 87808, 89312, 136759, 156296, 175616, 178624, 273518, 312592, 357248, 547036, 625184, 714496, 957313, 1094072, 1250368, 1428992, 1914626, 2188144, 2500736, 3829252, 4376288, 5001472, 7658504, 8752576, 10002944, 15317008, 17505152, 30634016, 35010304, 61268032, 70020608, 122536064, 245072128, 490144256]

約数ペア:

[(1, 490144256), (2, 245072128), (4, 122536064), (7, 70020608), (8, 61268032), (14, 35010304), (16, 30634016), (28, 17505152), (32, 15317008), (49, 10002944), (56, 8752576), (64, 7658504), (98, 5001472), (112, 4376288), (128, 3829252), (196, 2500736), (224, 2188144), (256, 1914626), (343, 1428992), (392, 1250368), (448, 1094072), (512, 957313), (686, 714496), (784, 625184), (896, 547036), (1372, 357248), (1568, 312592), (1792, 273518), (2744, 178624), (2791, 175616), (3136, 156296), (3584, 136759), (5488, 89312), (5582, 87808), (6272, 78148), (10976, 44656), (11164, 43904), (12544, 39074), (19537, 25088), (21952, 22328)]