68717900

素因数分解:

$2^2\times 5^2\times {\mathrm{687179}}^1$

素因数の和:687193

約数の個数: 18

約数和(自身を含む): 149118060

約数和(自身を除く): 80400160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 687179, 1374358, 2748716, 3435895, 6871790, 13743580, 17179475, 34358950, 68717900]

約数ペア:

[(1, 68717900), (2, 34358950), (4, 17179475), (5, 13743580), (10, 6871790), (20, 3435895), (25, 2748716), (50, 1374358), (100, 687179)]