1955620

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 4133304

約数和(自身を除く): 2177684

約数列:

[1, 2, 4, 5, 10, 20, 277, 353, 554, 706, 1108, 1385, 1412, 1765, 2770, 3530, 5540, 7060, 97781, 195562, 391124, 488905, 977810, 1955620]

約数ペア:

[(1, 1955620), (2, 977810), (4, 488905), (5, 391124), (10, 195562), (20, 97781), (277, 7060), (353, 5540), (554, 3530), (706, 2770), (1108, 1765), (1385, 1412)]