25415740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{479}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 35870660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 479, 758, 958, 1516, 1895, 1916, 2395, 2653, 3353, 3790, 4790, 5306, 6706, 7580, 9580, 10612, 13265, 13412, 16765, 26530, 33530, 53060, 67060, 181541, 363082, 726164, 907705, 1270787, 1815410, 2541574, 3630820, 5083148, 6353935, 12707870, 25415740]

約数ペア:

[(1, 25415740), (2, 12707870), (4, 6353935), (5, 5083148), (7, 3630820), (10, 2541574), (14, 1815410), (20, 1270787), (28, 907705), (35, 726164), (70, 363082), (140, 181541), (379, 67060), (479, 53060), (758, 33530), (958, 26530), (1516, 16765), (1895, 13412), (1916, 13265), (2395, 10612), (2653, 9580), (3353, 7580), (3790, 6706), (4790, 5306)]