78067420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{479}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 170553600

約数和(自身を除く): 92486180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 281, 290, 479, 562, 580, 958, 1124, 1405, 1916, 2395, 2810, 4790, 5620, 8149, 9580, 13891, 16298, 27782, 32596, 40745, 55564, 69455, 81490, 134599, 138910, 162980, 269198, 277820, 538396, 672995, 1345990, 2691980, 3903371, 7806742, 15613484, 19516855, 39033710, 78067420]

約数ペア:

[(1, 78067420), (2, 39033710), (4, 19516855), (5, 15613484), (10, 7806742), (20, 3903371), (29, 2691980), (58, 1345990), (116, 672995), (145, 538396), (281, 277820), (290, 269198), (479, 162980), (562, 138910), (580, 134599), (958, 81490), (1124, 69455), (1405, 55564), (1916, 40745), (2395, 32596), (2810, 27782), (4790, 16298), (5620, 13891), (8149, 9580)]