1422140

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 3009552

約数和(自身を除く): 1587412

約数列:

[1, 2, 4, 5, 10, 20, 211, 337, 422, 674, 844, 1055, 1348, 1685, 2110, 3370, 4220, 6740, 71107, 142214, 284428, 355535, 711070, 1422140]

約数ペア:

[(1, 1422140), (2, 711070), (4, 355535), (5, 284428), (10, 142214), (20, 71107), (211, 6740), (337, 4220), (422, 3370), (674, 2110), (844, 1685), (1055, 1348)]