202154890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{412561}}^1$

素因数の和:412582

約数の個数: 24

約数和(自身を含む): 423288612

約数和(自身を除く): 221133722

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 412561, 825122, 2062805, 2887927, 4125610, 5775854, 14439635, 20215489, 28879270, 40430978, 101077445, 202154890]

約数ペア:

[(1, 202154890), (2, 101077445), (5, 40430978), (7, 28879270), (10, 20215489), (14, 14439635), (35, 5775854), (49, 4125610), (70, 2887927), (98, 2062805), (245, 825122), (490, 412561)]