280052755

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^2\times {\mathrm{271}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 350465472

約数和(自身を除く): 70412717

約数列:

[1, 5, 41, 71, 205, 271, 355, 1355, 2911, 5041, 11111, 14555, 19241, 25205, 55555, 96205, 206681, 788881, 1033405, 1366111, 3944405, 6830555, 56010551, 280052755]

約数ペア:

[(1, 280052755), (5, 56010551), (41, 6830555), (71, 3944405), (205, 1366111), (271, 1033405), (355, 788881), (1355, 206681), (2911, 96205), (5041, 55555), (11111, 25205), (14555, 19241)]