28708860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{478481}}^1$

素因数の和:478493

約数の個数: 24

約数和(自身を含む): 80384976

約数和(自身を除く): 51676116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 478481, 956962, 1435443, 1913924, 2392405, 2870886, 4784810, 5741772, 7177215, 9569620, 14354430, 28708860]

約数ペア:

[(1, 28708860), (2, 14354430), (3, 9569620), (4, 7177215), (5, 5741772), (6, 4784810), (10, 2870886), (12, 2392405), (15, 1913924), (20, 1435443), (30, 956962), (60, 478481)]