68027990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 124740000

約数和(自身を除く): 56712010

約数列:

[1, 2, 5, 10, 109, 139, 218, 278, 449, 545, 695, 898, 1090, 1390, 2245, 4490, 15151, 30302, 48941, 62411, 75755, 97882, 124822, 151510, 244705, 312055, 489410, 624110, 6802799, 13605598, 34013995, 68027990]

約数ペア:

[(1, 68027990), (2, 34013995), (5, 13605598), (10, 6802799), (109, 624110), (139, 489410), (218, 312055), (278, 244705), (449, 151510), (545, 124822), (695, 97882), (898, 75755), (1090, 62411), (1390, 48941), (2245, 30302), (4490, 15151)]