2065862820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4918721}}^1$

素因数の和:4918740

約数の個数: 48

約数和(自身を含む): 6610762368

約数和(自身を除く): 4544899548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4918721, 9837442, 14756163, 19674884, 24593605, 29512326, 34431047, 49187210, 59024652, 68862094, 73780815, 98374420, 103293141, 137724188, 147561630, 172155235, 206586282, 295123260, 344310470, 413172564, 516465705, 688620940, 1032931410, 2065862820]

約数ペア:

[(1, 2065862820), (2, 1032931410), (3, 688620940), (4, 516465705), (5, 413172564), (6, 344310470), (7, 295123260), (10, 206586282), (12, 172155235), (14, 147561630), (15, 137724188), (20, 103293141), (21, 98374420), (28, 73780815), (30, 68862094), (35, 59024652), (42, 49187210), (60, 34431047), (70, 29512326), (84, 24593605), (105, 19674884), (140, 14756163), (210, 9837442), (420, 4918721)]