154121780

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{8971}}^1$

素因数の和:9839

約数の個数: 24

約数和(自身を含む): 324068640

約数和(自身を除く): 169946860

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4295, 8590, 8971, 17180, 17942, 35884, 44855, 89710, 179420, 7706089, 15412178, 30824356, 38530445, 77060890, 154121780]

約数ペア:

[(1, 154121780), (2, 77060890), (4, 38530445), (5, 30824356), (10, 15412178), (20, 7706089), (859, 179420), (1718, 89710), (3436, 44855), (4295, 35884), (8590, 17942), (8971, 17180)]