69152780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181981}}^1$

素因数の和:182009

約数の個数: 24

約数和(自身を含む): 152864880

約数和(自身を除く): 83712100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 181981, 363962, 727924, 909905, 1819810, 3457639, 3639620, 6915278, 13830556, 17288195, 34576390, 69152780]

約数ペア:

[(1, 69152780), (2, 34576390), (4, 17288195), (5, 13830556), (10, 6915278), (19, 3639620), (20, 3457639), (38, 1819810), (76, 909905), (95, 727924), (190, 363962), (380, 181981)]