140155904

素因数分解:

$2^{10}\times 7^1\times {\mathrm{19553}}^1$

素因数の和:19580

約数の個数: 44

約数和(自身を含む): 320216304

約数和(自身を除く): 180060400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 19553, 39106, 78212, 136871, 156424, 273742, 312848, 547484, 625696, 1094968, 1251392, 2189936, 2502784, 4379872, 5005568, 8759744, 10011136, 17519488, 20022272, 35038976, 70077952, 140155904]

約数ペア:

[(1, 140155904), (2, 70077952), (4, 35038976), (7, 20022272), (8, 17519488), (14, 10011136), (16, 8759744), (28, 5005568), (32, 4379872), (56, 2502784), (64, 2189936), (112, 1251392), (128, 1094968), (224, 625696), (256, 547484), (448, 312848), (512, 273742), (896, 156424), (1024, 136871), (1792, 78212), (3584, 39106), (7168, 19553)]