1138990420

素因数分解:

$2^2\times 5^1\times {\mathrm{2297}}^1\times {\mathrm{24793}}^1$

素因数の和:27099

約数の個数: 24

約数和(自身を含む): 2393017704

約数和(自身を除く): 1254027284

約数列:

[1, 2, 4, 5, 10, 20, 2297, 4594, 9188, 11485, 22970, 24793, 45940, 49586, 99172, 123965, 247930, 495860, 56949521, 113899042, 227798084, 284747605, 569495210, 1138990420]

約数ペア:

[(1, 1138990420), (2, 569495210), (4, 284747605), (5, 227798084), (10, 113899042), (20, 56949521), (2297, 495860), (4594, 247930), (9188, 123965), (11485, 99172), (22970, 49586), (24793, 45940)]