280397824

素因数分解:

$2^{11}\times 7^1\times {\mathrm{19559}}^1$

素因数の和:19588

約数の個数: 48

約数和(自身を含む): 640785600

約数和(自身を除く): 360387776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 3584, 7168, 14336, 19559, 39118, 78236, 136913, 156472, 273826, 312944, 547652, 625888, 1095304, 1251776, 2190608, 2503552, 4381216, 5007104, 8762432, 10014208, 17524864, 20028416, 35049728, 40056832, 70099456, 140198912, 280397824]

約数ペア:

[(1, 280397824), (2, 140198912), (4, 70099456), (7, 40056832), (8, 35049728), (14, 20028416), (16, 17524864), (28, 10014208), (32, 8762432), (56, 5007104), (64, 4381216), (112, 2503552), (128, 2190608), (224, 1251776), (256, 1095304), (448, 625888), (512, 547652), (896, 312944), (1024, 273826), (1792, 156472), (2048, 136913), (3584, 78236), (7168, 39118), (14336, 19559)]