428264255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{499}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 570240000

約数和(自身を除く): 141975745

約数列:

[1, 5, 17, 23, 85, 115, 391, 439, 499, 1955, 2195, 2495, 7463, 8483, 10097, 11477, 37315, 42415, 50485, 57385, 171649, 195109, 219061, 858245, 975545, 1095305, 3724037, 5038403, 18620185, 25192015, 85652851, 428264255]

約数ペア:

[(1, 428264255), (5, 85652851), (17, 25192015), (23, 18620185), (85, 5038403), (115, 3724037), (391, 1095305), (439, 975545), (499, 858245), (1955, 219061), (2195, 195109), (2495, 171649), (7463, 57385), (8483, 50485), (10097, 42415), (11477, 37315)]