28381220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5479}}^1$

素因数の和:5532

約数の個数: 48

約数和(自身を含む): 69968640

約数和(自身を除く): 41587420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5479, 10958, 21916, 27395, 38353, 54790, 76706, 109580, 153412, 191765, 202723, 383530, 405446, 767060, 810892, 1013615, 1419061, 2027230, 2838122, 4054460, 5676244, 7095305, 14190610, 28381220]

約数ペア:

[(1, 28381220), (2, 14190610), (4, 7095305), (5, 5676244), (7, 4054460), (10, 2838122), (14, 2027230), (20, 1419061), (28, 1013615), (35, 810892), (37, 767060), (70, 405446), (74, 383530), (140, 202723), (148, 191765), (185, 153412), (259, 109580), (370, 76706), (518, 54790), (740, 38353), (1036, 27395), (1295, 21916), (2590, 10958), (5180, 5479)]