2019980510

素因数分解:

$2^1\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{69439}}^1$

素因数の和:72355

約数の個数: 16

約数和(自身を含む): 3637267200

約数和(自身を除く): 1617286690

約数列:

[1, 2, 5, 10, 2909, 5818, 14545, 29090, 69439, 138878, 347195, 694390, 201998051, 403996102, 1009990255, 2019980510]

約数ペア:

[(1, 2019980510), (2, 1009990255), (5, 403996102), (10, 201998051), (2909, 694390), (5818, 347195), (14545, 138878), (29090, 69439)]