220248385

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{10831}}^1$

素因数の和:10933

約数の個数: 24

約数和(自身を含む): 311181696

約数和(自身を除く): 90933311

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 2905, 4067, 10831, 20335, 54155, 75817, 379085, 530719, 898973, 2653595, 4494865, 6292811, 31464055, 44049677, 220248385]

約数ペア:

[(1, 220248385), (5, 44049677), (7, 31464055), (35, 6292811), (49, 4494865), (83, 2653595), (245, 898973), (415, 530719), (581, 379085), (2905, 75817), (4067, 54155), (10831, 20335)]