2018019025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3631}}^1$

素因数の和:3742

約数の個数: 48

約数和(自身を含む): 2853531648

約数和(自身を除く): 835512623

約数列:

[1, 5, 11, 25, 43, 47, 55, 215, 235, 275, 473, 517, 1075, 1175, 2021, 2365, 2585, 3631, 10105, 11825, 12925, 18155, 22231, 39941, 50525, 90775, 111155, 156133, 170657, 199705, 555775, 780665, 853285, 998525, 1717463, 1877227, 3903325, 4266425, 7338251, 8587315, 9386135, 36691255, 42936575, 46930675, 80720761, 183456275, 403603805, 2018019025]

約数ペア:

[(1, 2018019025), (5, 403603805), (11, 183456275), (25, 80720761), (43, 46930675), (47, 42936575), (55, 36691255), (215, 9386135), (235, 8587315), (275, 7338251), (473, 4266425), (517, 3903325), (1075, 1877227), (1175, 1717463), (2021, 998525), (2365, 853285), (2585, 780665), (3631, 555775), (10105, 199705), (11825, 170657), (12925, 156133), (18155, 111155), (22231, 90775), (39941, 50525)]