68801390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{140411}}^1$

素因数の和:140432

約数の個数: 24

約数和(自身を含む): 144062712

約数和(自身を除く): 75261322

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 140411, 280822, 702055, 982877, 1404110, 1965754, 4914385, 6880139, 9828770, 13760278, 34400695, 68801390]

約数ペア:

[(1, 68801390), (2, 34400695), (5, 13760278), (7, 9828770), (10, 6880139), (14, 4914385), (35, 1965754), (49, 1404110), (70, 982877), (98, 702055), (245, 280822), (490, 140411)]