1108420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 2349144

約数和(自身を除く): 1240724

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 353, 628, 706, 785, 1412, 1570, 1765, 3140, 3530, 7060, 55421, 110842, 221684, 277105, 554210, 1108420]

約数ペア:

[(1, 1108420), (2, 554210), (4, 277105), (5, 221684), (10, 110842), (20, 55421), (157, 7060), (314, 3530), (353, 3140), (628, 1765), (706, 1570), (785, 1412)]