391347260

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{85447}}^1$

素因数の和:85685

約数の個数: 24

約数和(自身を含む): 825427680

約数和(自身を除く): 434080420

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 85447, 170894, 341788, 427235, 854470, 1708940, 19567363, 39134726, 78269452, 97836815, 195673630, 391347260]

約数ペア:

[(1, 391347260), (2, 195673630), (4, 97836815), (5, 78269452), (10, 39134726), (20, 19567363), (229, 1708940), (458, 854470), (916, 427235), (1145, 341788), (2290, 170894), (4580, 85447)]