28709820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159499}}^1$

素因数の和:159514

約数の個数: 36

約数和(自身を含む): 87087000

約数和(自身を除く): 58377180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159499, 318998, 478497, 637996, 797495, 956994, 1435491, 1594990, 1913988, 2392485, 2870982, 3189980, 4784970, 5741964, 7177455, 9569940, 14354910, 28709820]

約数ペア:

[(1, 28709820), (2, 14354910), (3, 9569940), (4, 7177455), (5, 5741964), (6, 4784970), (9, 3189980), (10, 2870982), (12, 2392485), (15, 1913988), (18, 1594990), (20, 1435491), (30, 956994), (36, 797495), (45, 637996), (60, 478497), (90, 318998), (180, 159499)]