78188180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1021}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 188178816

約数和(自身を除く): 109990636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1021, 1094, 2042, 2188, 2735, 3829, 4084, 5105, 5470, 7147, 7658, 10210, 10940, 14294, 15316, 19145, 20420, 28588, 35735, 38290, 71470, 76580, 142940, 558487, 1116974, 2233948, 2792435, 3909409, 5584870, 7818818, 11169740, 15637636, 19547045, 39094090, 78188180]

約数ペア:

[(1, 78188180), (2, 39094090), (4, 19547045), (5, 15637636), (7, 11169740), (10, 7818818), (14, 5584870), (20, 3909409), (28, 2792435), (35, 2233948), (70, 1116974), (140, 558487), (547, 142940), (1021, 76580), (1094, 71470), (2042, 38290), (2188, 35735), (2735, 28588), (3829, 20420), (4084, 19145), (5105, 15316), (5470, 14294), (7147, 10940), (7658, 10210)]