68486900

素因数分解:

$2^2\times 5^2\times {\mathrm{684869}}^1$

素因数の和:684883

約数の個数: 18

約数和(自身を含む): 148616790

約数和(自身を除く): 80129890

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 684869, 1369738, 2739476, 3424345, 6848690, 13697380, 17121725, 34243450, 68486900]

約数ペア:

[(1, 68486900), (2, 34243450), (4, 17121725), (5, 13697380), (10, 6848690), (20, 3424345), (25, 2739476), (50, 1369738), (100, 684869)]