140767984

素因数分解:

$2^4\times 7^2\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:870

約数の個数: 60

約数和(自身を含む): 318766800

約数和(自身を除く): 177998816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 409, 439, 784, 818, 878, 1636, 1756, 2863, 3073, 3272, 3512, 5726, 6146, 6544, 7024, 11452, 12292, 20041, 21511, 22904, 24584, 40082, 43022, 45808, 49168, 80164, 86044, 160328, 172088, 179551, 320656, 344176, 359102, 718204, 1256857, 1436408, 2513714, 2872816, 5027428, 8797999, 10054856, 17595998, 20109712, 35191996, 70383992, 140767984]

約数ペア:

[(1, 140767984), (2, 70383992), (4, 35191996), (7, 20109712), (8, 17595998), (14, 10054856), (16, 8797999), (28, 5027428), (49, 2872816), (56, 2513714), (98, 1436408), (112, 1256857), (196, 718204), (392, 359102), (409, 344176), (439, 320656), (784, 179551), (818, 172088), (878, 160328), (1636, 86044), (1756, 80164), (2863, 49168), (3073, 45808), (3272, 43022), (3512, 40082), (5726, 24584), (6146, 22904), (6544, 21511), (7024, 20041), (11452, 12292)]