890197540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{839809}}^1$

素因数の和:839871

約数の個数: 24

約数和(自身を含む): 1904689080

約数和(自身を除く): 1014491540

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 839809, 1679618, 3359236, 4199045, 8398090, 16796180, 44509877, 89019754, 178039508, 222549385, 445098770, 890197540]

約数ペア:

[(1, 890197540), (2, 445098770), (4, 222549385), (5, 178039508), (10, 89019754), (20, 44509877), (53, 16796180), (106, 8398090), (212, 4199045), (265, 3359236), (530, 1679618), (1060, 839809)]