68197900

素因数分解:

$2^2\times 5^2\times {\mathrm{681979}}^1$

素因数の和:681993

約数の個数: 18

約数和(自身を含む): 147989660

約数和(自身を除く): 79791760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 681979, 1363958, 2727916, 3409895, 6819790, 13639580, 17049475, 34098950, 68197900]

約数ペア:

[(1, 68197900), (2, 34098950), (4, 17049475), (5, 13639580), (10, 6819790), (20, 3409895), (25, 2727916), (50, 1363958), (100, 681979)]