78787700

素因数分解:

$2^2\times 5^2\times {\mathrm{293}}^1\times {\mathrm{2689}}^1$

素因数の和:2996

約数の個数: 36

約数和(自身を含む): 171616620

約数和(自身を除く): 92828920

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 293, 586, 1172, 1465, 2689, 2930, 5378, 5860, 7325, 10756, 13445, 14650, 26890, 29300, 53780, 67225, 134450, 268900, 787877, 1575754, 3151508, 3939385, 7878770, 15757540, 19696925, 39393850, 78787700]

約数ペア:

[(1, 78787700), (2, 39393850), (4, 19696925), (5, 15757540), (10, 7878770), (20, 3939385), (25, 3151508), (50, 1575754), (100, 787877), (293, 268900), (586, 134450), (1172, 67225), (1465, 53780), (2689, 29300), (2930, 26890), (5378, 14650), (5860, 13445), (7325, 10756)]