18180050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 39045120

約数和(自身を除く): 20865070

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 127, 175, 254, 350, 409, 635, 818, 889, 1270, 1778, 2045, 2863, 3175, 4090, 4445, 5726, 6350, 8890, 10225, 14315, 20450, 22225, 28630, 44450, 51943, 71575, 103886, 143150, 259715, 363601, 519430, 727202, 1298575, 1818005, 2597150, 3636010, 9090025, 18180050]

約数ペア:

[(1, 18180050), (2, 9090025), (5, 3636010), (7, 2597150), (10, 1818005), (14, 1298575), (25, 727202), (35, 519430), (50, 363601), (70, 259715), (127, 143150), (175, 103886), (254, 71575), (350, 51943), (409, 44450), (635, 28630), (818, 22225), (889, 20450), (1270, 14315), (1778, 10225), (2045, 8890), (2863, 6350), (3175, 5726), (4090, 4445)]