205753870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1571}}^1\times {\mathrm{1871}}^1$

素因数の和:3456

約数の個数: 32

約数和(自身を含む): 423760896

約数和(自身を除く): 218007026

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1571, 1871, 3142, 3742, 7855, 9355, 10997, 13097, 15710, 18710, 21994, 26194, 54985, 65485, 109970, 130970, 2939341, 5878682, 14696705, 20575387, 29393410, 41150774, 102876935, 205753870]

約数ペア:

[(1, 205753870), (2, 102876935), (5, 41150774), (7, 29393410), (10, 20575387), (14, 14696705), (35, 5878682), (70, 2939341), (1571, 130970), (1871, 109970), (3142, 65485), (3742, 54985), (7855, 26194), (9355, 21994), (10997, 18710), (13097, 15710)]