449780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 968352

約数和(自身を除く): 518572

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 523, 860, 1046, 2092, 2615, 5230, 10460, 22489, 44978, 89956, 112445, 224890, 449780]

約数ペア:

[(1, 449780), (2, 224890), (4, 112445), (5, 89956), (10, 44978), (20, 22489), (43, 10460), (86, 5230), (172, 2615), (215, 2092), (430, 1046), (523, 860)]