770180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 1638168

約数和(自身を除く): 867988

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 397, 485, 794, 970, 1588, 1940, 1985, 3970, 7940, 38509, 77018, 154036, 192545, 385090, 770180]

約数ペア:

[(1, 770180), (2, 385090), (4, 192545), (5, 154036), (10, 77018), (20, 38509), (97, 7940), (194, 3970), (388, 1985), (397, 1940), (485, 1588), (794, 970)]