1244604820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{616141}}^1$

素因数の和:616251

約数の個数: 24

約数和(自身を含む): 2639552328

約数和(自身を除く): 1394947508

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 616141, 1232282, 2464564, 3080705, 6161410, 12322820, 62230241, 124460482, 248920964, 311151205, 622302410, 1244604820]

約数ペア:

[(1, 1244604820), (2, 622302410), (4, 311151205), (5, 248920964), (10, 124460482), (20, 62230241), (101, 12322820), (202, 6161410), (404, 3080705), (505, 2464564), (1010, 1232282), (2020, 616141)]