116301820

素因数分解:

$2^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{2909}}^1$

素因数の和:4917

約数の個数: 24

約数和(自身を含む): 244440000

約数和(自身を除く): 128138180

約数列:

[1, 2, 4, 5, 10, 20, 1999, 2909, 3998, 5818, 7996, 9995, 11636, 14545, 19990, 29090, 39980, 58180, 5815091, 11630182, 23260364, 29075455, 58150910, 116301820]

約数ペア:

[(1, 116301820), (2, 58150910), (4, 29075455), (5, 23260364), (10, 11630182), (20, 5815091), (1999, 58180), (2909, 39980), (3998, 29090), (5818, 19990), (7996, 14545), (9995, 11636)]