69982990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90887}}^1$

素因数の和:90912

約数の個数: 32

約数和(自身を含む): 157054464

約数和(自身を除く): 87071474

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 90887, 181774, 454435, 636209, 908870, 999757, 1272418, 1999514, 3181045, 4998785, 6362090, 6998299, 9997570, 13996598, 34991495, 69982990]

約数ペア:

[(1, 69982990), (2, 34991495), (5, 13996598), (7, 9997570), (10, 6998299), (11, 6362090), (14, 4998785), (22, 3181045), (35, 1999514), (55, 1272418), (70, 999757), (77, 908870), (110, 636209), (154, 454435), (385, 181774), (770, 90887)]