2009005955

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{409}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 2779721280

約数和(自身を除く): 770715325

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 353, 409, 605, 1265, 1765, 2045, 2783, 3883, 4499, 8119, 9407, 13915, 19415, 22495, 40595, 42713, 47035, 49489, 89309, 103477, 144377, 213565, 247445, 446545, 517385, 721885, 982399, 1138247, 1588147, 3320671, 4911995, 5691235, 7940735, 16603355, 17469617, 36527381, 87348085, 182636905, 401801191, 2009005955]

約数ペア:

[(1, 2009005955), (5, 401801191), (11, 182636905), (23, 87348085), (55, 36527381), (115, 17469617), (121, 16603355), (253, 7940735), (353, 5691235), (409, 4911995), (605, 3320671), (1265, 1588147), (1765, 1138247), (2045, 982399), (2783, 721885), (3883, 517385), (4499, 446545), (8119, 247445), (9407, 213565), (13915, 144377), (19415, 103477), (22495, 89309), (40595, 49489), (42713, 47035)]