2009359975

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{1249}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 2957400000

約数和(自身を除く): 948040025

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 317, 725, 1015, 1249, 1585, 2219, 5075, 6245, 7925, 8743, 9193, 11095, 31225, 36221, 43715, 45965, 55475, 64351, 181105, 218575, 229825, 253547, 321755, 395933, 905525, 1267735, 1608775, 1979665, 2771531, 6338675, 9898325, 11482057, 13857655, 57410285, 69288275, 80374399, 287051425, 401871995, 2009359975]

約数ペア:

[(1, 2009359975), (5, 401871995), (7, 287051425), (25, 80374399), (29, 69288275), (35, 57410285), (145, 13857655), (175, 11482057), (203, 9898325), (317, 6338675), (725, 2771531), (1015, 1979665), (1249, 1608775), (1585, 1267735), (2219, 905525), (5075, 395933), (6245, 321755), (7925, 253547), (8743, 229825), (9193, 218575), (11095, 181105), (31225, 64351), (36221, 55475), (43715, 45965)]