1964740

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 4155480

約数和(自身を除く): 2190740

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 509, 772, 965, 1018, 1930, 2036, 2545, 3860, 5090, 10180, 98237, 196474, 392948, 491185, 982370, 1964740]

約数ペア:

[(1, 1964740), (2, 982370), (4, 491185), (5, 392948), (10, 196474), (20, 98237), (193, 10180), (386, 5090), (509, 3860), (772, 2545), (965, 2036), (1018, 1930)]