28198730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 60203520

約数和(自身を除く): 32004790

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 479, 841, 958, 1015, 1682, 2030, 2395, 3353, 4205, 4790, 5887, 6706, 8410, 11774, 13891, 16765, 27782, 29435, 33530, 58870, 69455, 97237, 138910, 194474, 402839, 486185, 805678, 972370, 2014195, 2819873, 4028390, 5639746, 14099365, 28198730]

約数ペア:

[(1, 28198730), (2, 14099365), (5, 5639746), (7, 4028390), (10, 2819873), (14, 2014195), (29, 972370), (35, 805678), (58, 486185), (70, 402839), (145, 194474), (203, 138910), (290, 97237), (406, 69455), (479, 58870), (841, 33530), (958, 29435), (1015, 27782), (1682, 16765), (2030, 13891), (2395, 11774), (3353, 8410), (4205, 6706), (4790, 5887)]