28478820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{474647}}^1$

素因数の和:474659

約数の個数: 24

約数和(自身を含む): 79740864

約数和(自身を除く): 51262044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 474647, 949294, 1423941, 1898588, 2373235, 2847882, 4746470, 5695764, 7119705, 9492940, 14239410, 28478820]

約数ペア:

[(1, 28478820), (2, 14239410), (3, 9492940), (4, 7119705), (5, 5695764), (6, 4746470), (10, 2847882), (12, 2373235), (15, 1898588), (20, 1423941), (30, 949294), (60, 474647)]