4243940

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{479}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 8951040

約数和(自身を除く): 4707100

約数列:

[1, 2, 4, 5, 10, 20, 443, 479, 886, 958, 1772, 1916, 2215, 2395, 4430, 4790, 8860, 9580, 212197, 424394, 848788, 1060985, 2121970, 4243940]

約数ペア:

[(1, 4243940), (2, 2121970), (4, 1060985), (5, 848788), (10, 424394), (20, 212197), (443, 9580), (479, 8860), (886, 4790), (958, 4430), (1772, 2395), (1916, 2215)]