179625940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{690869}}^1$

素因数の和:690891

約数の個数: 24

約数和(自身を含む): 406231560

約数和(自身を除く): 226605620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 690869, 1381738, 2763476, 3454345, 6908690, 8981297, 13817380, 17962594, 35925188, 44906485, 89812970, 179625940]

約数ペア:

[(1, 179625940), (2, 89812970), (4, 44906485), (5, 35925188), (10, 17962594), (13, 13817380), (20, 8981297), (26, 6908690), (52, 3454345), (65, 2763476), (130, 1381738), (260, 690869)]