2453140

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{709}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 5188680

約数和(自身を除く): 2735540

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 709, 865, 1418, 1730, 2836, 3460, 3545, 7090, 14180, 122657, 245314, 490628, 613285, 1226570, 2453140]

約数ペア:

[(1, 2453140), (2, 1226570), (4, 613285), (5, 490628), (10, 245314), (20, 122657), (173, 14180), (346, 7090), (692, 3545), (709, 3460), (865, 2836), (1418, 1730)]