72894220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{1087}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 175472640

約数和(自身を除く): 102578420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 479, 958, 1087, 1916, 2174, 2395, 3353, 4348, 4790, 5435, 6706, 7609, 9580, 10870, 13412, 15218, 16765, 21740, 30436, 33530, 38045, 67060, 76090, 152180, 520673, 1041346, 2082692, 2603365, 3644711, 5206730, 7289422, 10413460, 14578844, 18223555, 36447110, 72894220]

約数ペア:

[(1, 72894220), (2, 36447110), (4, 18223555), (5, 14578844), (7, 10413460), (10, 7289422), (14, 5206730), (20, 3644711), (28, 2603365), (35, 2082692), (70, 1041346), (140, 520673), (479, 152180), (958, 76090), (1087, 67060), (1916, 38045), (2174, 33530), (2395, 30436), (3353, 21740), (4348, 16765), (4790, 15218), (5435, 13412), (6706, 10870), (7609, 9580)]