223639660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{102587}}^1$

素因数の和:102705

約数の個数: 24

約数和(自身を含む): 473956560

約数和(自身を除く): 250316900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 102587, 205174, 410348, 512935, 1025870, 2051740, 11181983, 22363966, 44727932, 55909915, 111819830, 223639660]

約数ペア:

[(1, 223639660), (2, 111819830), (4, 55909915), (5, 44727932), (10, 22363966), (20, 11181983), (109, 2051740), (218, 1025870), (436, 512935), (545, 410348), (1090, 205174), (2180, 102587)]