1380485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 1782000

約数和(自身を除く): 401515

約数列:

[1, 5, 17, 85, 109, 149, 545, 745, 1853, 2533, 9265, 12665, 16241, 81205, 276097, 1380485]

約数ペア:

[(1, 1380485), (5, 276097), (17, 81205), (85, 16241), (109, 12665), (149, 9265), (545, 2533), (745, 1853)]