899201180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{18049}}^1$

素因数の和:18158

約数の個数: 48

約数和(自身を含む): 1964995200

約数和(自身を除く): 1065794020

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 2491, 4982, 9964, 12455, 18049, 24910, 36098, 49820, 72196, 90245, 180490, 360980, 848303, 956597, 1696606, 1913194, 3393212, 3826388, 4241515, 4782985, 8483030, 9565970, 16966060, 19131940, 44960059, 89920118, 179840236, 224800295, 449600590, 899201180]

約数ペア:

[(1, 899201180), (2, 449600590), (4, 224800295), (5, 179840236), (10, 89920118), (20, 44960059), (47, 19131940), (53, 16966060), (94, 9565970), (106, 8483030), (188, 4782985), (212, 4241515), (235, 3826388), (265, 3393212), (470, 1913194), (530, 1696606), (940, 956597), (1060, 848303), (2491, 360980), (4982, 180490), (9964, 90245), (12455, 72196), (18049, 49820), (24910, 36098)]