68930140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{35531}}^1$

素因数の和:35637

約数の個数: 24

約数和(自身を含む): 146249712

約数和(自身を除く): 77319572

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 35531, 71062, 142124, 177655, 355310, 710620, 3446507, 6893014, 13786028, 17232535, 34465070, 68930140]

約数ペア:

[(1, 68930140), (2, 34465070), (4, 17232535), (5, 13786028), (10, 6893014), (20, 3446507), (97, 710620), (194, 355310), (388, 177655), (485, 142124), (970, 71062), (1940, 35531)]