278844890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{5443}}^1$

素因数の和:5606

約数の個数: 32

約数和(自身を含む): 517397760

約数和(自身を除く): 238552870

約数列:

[1, 2, 5, 10, 47, 94, 109, 218, 235, 470, 545, 1090, 5123, 5443, 10246, 10886, 25615, 27215, 51230, 54430, 255821, 511642, 593287, 1186574, 1279105, 2558210, 2966435, 5932870, 27884489, 55768978, 139422445, 278844890]

約数ペア:

[(1, 278844890), (2, 139422445), (5, 55768978), (10, 27884489), (47, 5932870), (94, 2966435), (109, 2558210), (218, 1279105), (235, 1186574), (470, 593287), (545, 511642), (1090, 255821), (5123, 54430), (5443, 51230), (10246, 27215), (10886, 25615)]