51602180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1871}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 124540416

約数和(自身を除く): 72938236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1871, 1970, 2758, 3742, 3940, 5516, 6895, 7484, 9355, 13097, 13790, 18710, 26194, 27580, 37420, 52388, 65485, 130970, 261940, 368587, 737174, 1474348, 1842935, 2580109, 3685870, 5160218, 7371740, 10320436, 12900545, 25801090, 51602180]

約数ペア:

[(1, 51602180), (2, 25801090), (4, 12900545), (5, 10320436), (7, 7371740), (10, 5160218), (14, 3685870), (20, 2580109), (28, 1842935), (35, 1474348), (70, 737174), (140, 368587), (197, 261940), (394, 130970), (788, 65485), (985, 52388), (1379, 37420), (1871, 27580), (1970, 26194), (2758, 18710), (3742, 13790), (3940, 13097), (5516, 9355), (6895, 7484)]