289149190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{18911}}^1$

素因数の和:19068

約数の個数: 32

約数和(自身を含む): 571898880

約数和(自身を除く): 282749690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 7645, 15290, 18911, 37822, 94555, 189110, 208021, 416042, 1040105, 2080210, 2628629, 5257258, 13143145, 26286290, 28914919, 57829838, 144574595, 289149190]

約数ペア:

[(1, 289149190), (2, 144574595), (5, 57829838), (10, 28914919), (11, 26286290), (22, 13143145), (55, 5257258), (110, 2628629), (139, 2080210), (278, 1040105), (695, 416042), (1390, 208021), (1529, 189110), (3058, 94555), (7645, 37822), (15290, 18911)]