2009308900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1057531}}^1$

素因数の和:1057564

約数の個数: 36

約数和(自身を含む): 4589688880

約数和(自身を除く): 2580379980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 1057531, 2115062, 4230124, 5287655, 10575310, 20093089, 21150620, 26438275, 40186178, 52876550, 80372356, 100465445, 105753100, 200930890, 401861780, 502327225, 1004654450, 2009308900]

約数ペア:

[(1, 2009308900), (2, 1004654450), (4, 502327225), (5, 401861780), (10, 200930890), (19, 105753100), (20, 100465445), (25, 80372356), (38, 52876550), (50, 40186178), (76, 26438275), (95, 21150620), (100, 20093089), (190, 10575310), (380, 5287655), (475, 4230124), (950, 2115062), (1900, 1057531)]