28649820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{477497}}^1$

素因数の和:477509

約数の個数: 24

約数和(自身を含む): 80219664

約数和(自身を除く): 51569844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 477497, 954994, 1432491, 1909988, 2387485, 2864982, 4774970, 5729964, 7162455, 9549940, 14324910, 28649820]

約数ペア:

[(1, 28649820), (2, 14324910), (3, 9549940), (4, 7162455), (5, 5729964), (6, 4774970), (10, 2864982), (12, 2387485), (15, 1909988), (20, 1432491), (30, 954994), (60, 477497)]