205804540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{218941}}^1$

素因数の和:218997

約数の個数: 24

約数和(自身を含む): 441387072

約数和(自身を除く): 235582532

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 218941, 437882, 875764, 1094705, 2189410, 4378820, 10290227, 20580454, 41160908, 51451135, 102902270, 205804540]

約数ペア:

[(1, 205804540), (2, 102902270), (4, 51451135), (5, 41160908), (10, 20580454), (20, 10290227), (47, 4378820), (94, 2189410), (188, 1094705), (235, 875764), (470, 437882), (940, 218941)]