68980940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{492721}}^1$

素因数の和:492737

約数の個数: 24

約数和(自身を含む): 165554592

約数和(自身を除く): 96573652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 492721, 985442, 1970884, 2463605, 3449047, 4927210, 6898094, 9854420, 13796188, 17245235, 34490470, 68980940]

約数ペア:

[(1, 68980940), (2, 34490470), (4, 17245235), (5, 13796188), (7, 9854420), (10, 6898094), (14, 4927210), (20, 3449047), (28, 2463605), (35, 1970884), (70, 985442), (140, 492721)]