28729540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205211}}^1$

素因数の和:205227

約数の個数: 24

約数和(自身を含む): 68951232

約数和(自身を除く): 40221692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205211, 410422, 820844, 1026055, 1436477, 2052110, 2872954, 4104220, 5745908, 7182385, 14364770, 28729540]

約数ペア:

[(1, 28729540), (2, 14364770), (4, 7182385), (5, 5745908), (7, 4104220), (10, 2872954), (14, 2052110), (20, 1436477), (28, 1026055), (35, 820844), (70, 410422), (140, 205211)]