27775580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198397}}^1$

素因数の和:198413

約数の個数: 24

約数和(自身を含む): 66661728

約数和(自身を除く): 38886148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198397, 396794, 793588, 991985, 1388779, 1983970, 2777558, 3967940, 5555116, 6943895, 13887790, 27775580]

約数ペア:

[(1, 27775580), (2, 13887790), (4, 6943895), (5, 5555116), (7, 3967940), (10, 2777558), (14, 1983970), (20, 1388779), (28, 991985), (35, 793588), (70, 396794), (140, 198397)]