1970780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2011}}^1$

素因数の和:2034

約数の個数: 36

約数和(自身を含む): 4816728

約数和(自身を除く): 2845948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2011, 4022, 8044, 10055, 14077, 20110, 28154, 40220, 56308, 70385, 98539, 140770, 197078, 281540, 394156, 492695, 985390, 1970780]

約数ペア:

[(1, 1970780), (2, 985390), (4, 492695), (5, 394156), (7, 281540), (10, 197078), (14, 140770), (20, 98539), (28, 70385), (35, 56308), (49, 40220), (70, 28154), (98, 20110), (140, 14077), (196, 10055), (245, 8044), (490, 4022), (980, 2011)]