228920405

素因数分解:

$5^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{2081}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 320419800

約数和(自身を除く): 91499395

約数列:

[1, 5, 7, 35, 49, 245, 449, 2081, 2245, 3143, 10405, 14567, 15715, 22001, 72835, 101969, 110005, 509845, 934369, 4671845, 6540583, 32702915, 45784081, 228920405]

約数ペア:

[(1, 228920405), (5, 45784081), (7, 32702915), (35, 6540583), (49, 4671845), (245, 934369), (449, 509845), (2081, 110005), (2245, 101969), (3143, 72835), (10405, 22001), (14567, 15715)]