280403845

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{4229}}^1$

素因数の和:4472

約数の個数: 16

約数和(自身を含む): 342630000

約数和(自身を除く): 62226155

約数列:

[1, 5, 89, 149, 445, 745, 4229, 13261, 21145, 66305, 376381, 630121, 1881905, 3150605, 56080769, 280403845]

約数ペア:

[(1, 280403845), (5, 56080769), (89, 3150605), (149, 1881905), (445, 630121), (745, 376381), (4229, 66305), (13261, 21145)]