2691980

素因数分解:

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

素因数の和:769

約数の個数: 24

約数和(自身を含む): 5685120

約数和(自身を除く): 2993140

約数列:

[1, 2, 4, 5, 10, 20, 281, 479, 562, 958, 1124, 1405, 1916, 2395, 2810, 4790, 5620, 9580, 134599, 269198, 538396, 672995, 1345990, 2691980]

約数ペア:

[(1, 2691980), (2, 1345990), (4, 672995), (5, 538396), (10, 269198), (20, 134599), (281, 9580), (479, 5620), (562, 4790), (958, 2810), (1124, 2395), (1405, 1916)]