39284420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{280603}}^1$

素因数の和:280619

約数の個数: 24

約数和(自身を含む): 94282944

約数和(自身を除く): 54998524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 280603, 561206, 1122412, 1403015, 1964221, 2806030, 3928442, 5612060, 7856884, 9821105, 19642210, 39284420]

約数ペア:

[(1, 39284420), (2, 19642210), (4, 9821105), (5, 7856884), (7, 5612060), (10, 3928442), (14, 2806030), (20, 1964221), (28, 1403015), (35, 1122412), (70, 561206), (140, 280603)]