2017402780

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{142271}}^1$

素因数の和:142989

約数の個数: 24

約数和(自身を含む): 4242551040

約数和(自身を除く): 2225148260

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 7090, 14180, 142271, 284542, 569084, 711355, 1422710, 2845420, 100870139, 201740278, 403480556, 504350695, 1008701390, 2017402780]

約数ペア:

[(1, 2017402780), (2, 1008701390), (4, 504350695), (5, 403480556), (10, 201740278), (20, 100870139), (709, 2845420), (1418, 1422710), (2836, 711355), (3545, 569084), (7090, 284542), (14180, 142271)]