199480325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1723}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 270640416

約数和(自身を除く): 71160091

約数列:

[1, 5, 11, 25, 55, 275, 421, 1723, 2105, 4631, 8615, 10525, 18953, 23155, 43075, 94765, 115775, 473825, 725383, 3626915, 7979213, 18134575, 39896065, 199480325]

約数ペア:

[(1, 199480325), (5, 39896065), (11, 18134575), (25, 7979213), (55, 3626915), (275, 725383), (421, 473825), (1723, 115775), (2105, 94765), (4631, 43075), (8615, 23155), (10525, 18953)]