331328780

素因数分解:

$2^2\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{7459}}^1$

素因数の和:9689

約数の個数: 24

約数和(自身を含む): 696197040

約数和(自身を除く): 364868260

約数列:

[1, 2, 4, 5, 10, 20, 2221, 4442, 7459, 8884, 11105, 14918, 22210, 29836, 37295, 44420, 74590, 149180, 16566439, 33132878, 66265756, 82832195, 165664390, 331328780]

約数ペア:

[(1, 331328780), (2, 165664390), (4, 82832195), (5, 66265756), (10, 33132878), (20, 16566439), (2221, 149180), (4442, 74590), (7459, 44420), (8884, 37295), (11105, 29836), (14918, 22210)]