840070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1091}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 1886976

約数和(自身を除く): 1046906

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 1091, 2182, 5455, 7637, 10910, 12001, 15274, 24002, 38185, 60005, 76370, 84007, 120010, 168014, 420035, 840070]

約数ペア:

[(1, 840070), (2, 420035), (5, 168014), (7, 120010), (10, 84007), (11, 76370), (14, 60005), (22, 38185), (35, 24002), (55, 15274), (70, 12001), (77, 10910), (110, 7637), (154, 5455), (385, 2182), (770, 1091)]