28678620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{477977}}^1$

素因数の和:477989

約数の個数: 24

約数和(自身を含む): 80300304

約数和(自身を除く): 51621684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 477977, 955954, 1433931, 1911908, 2389885, 2867862, 4779770, 5735724, 7169655, 9559540, 14339310, 28678620]

約数ペア:

[(1, 28678620), (2, 14339310), (3, 9559540), (4, 7169655), (5, 5735724), (6, 4779770), (10, 2867862), (12, 2389885), (15, 1911908), (20, 1433931), (30, 955954), (60, 477977)]