290197405

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{1549}}^1$

素因数の和:2064

約数の個数: 16

約数和(自身を含む): 353214000

約数和(自身を除く): 63016595

約数列:

[1, 5, 89, 421, 445, 1549, 2105, 7745, 37469, 137861, 187345, 652129, 689305, 3260645, 58039481, 290197405]

約数ペア:

[(1, 290197405), (5, 58039481), (89, 3260645), (421, 689305), (445, 652129), (1549, 187345), (2105, 137861), (7745, 37469)]