68708780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{70111}}^1$

素因数の和:70134

約数の個数: 36

約数和(自身を含む): 167848128

約数和(自身を除く): 99139348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 70111, 140222, 280444, 350555, 490777, 701110, 981554, 1402220, 1963108, 2453885, 3435439, 4907770, 6870878, 9815540, 13741756, 17177195, 34354390, 68708780]

約数ペア:

[(1, 68708780), (2, 34354390), (4, 17177195), (5, 13741756), (7, 9815540), (10, 6870878), (14, 4907770), (20, 3435439), (28, 2453885), (35, 1963108), (49, 1402220), (70, 981554), (98, 701110), (140, 490777), (196, 350555), (245, 280444), (490, 140222), (980, 70111)]