2000974780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2041811}}^1$

素因数の和:2041834

約数の個数: 36

約数和(自身を含む): 4888097928

約数和(自身を除く): 2887123148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2041811, 4083622, 8167244, 10209055, 14292677, 20418110, 28585354, 40836220, 57170708, 71463385, 100048739, 142926770, 200097478, 285853540, 400194956, 500243695, 1000487390, 2000974780]

約数ペア:

[(1, 2000974780), (2, 1000487390), (4, 500243695), (5, 400194956), (7, 285853540), (10, 200097478), (14, 142926770), (20, 100048739), (28, 71463385), (35, 57170708), (49, 40836220), (70, 28585354), (98, 20418110), (140, 14292677), (196, 10209055), (245, 8167244), (490, 4083622), (980, 2041811)]