2079681890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{111871}}^1$

素因数の和:111915

約数の個数: 48

約数和(自身を含む): 4422076416

約数和(自身を除く): 2342394526

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1430, 1690, 1859, 3718, 9295, 18590, 111871, 223742, 559355, 1118710, 1230581, 1454323, 2461162, 2908646, 6152905, 7271615, 12305810, 14543230, 15997553, 18906199, 31995106, 37812398, 79987765, 94530995, 159975530, 189061990, 207968189, 415936378, 1039840945, 2079681890]

約数ペア:

[(1, 2079681890), (2, 1039840945), (5, 415936378), (10, 207968189), (11, 189061990), (13, 159975530), (22, 94530995), (26, 79987765), (55, 37812398), (65, 31995106), (110, 18906199), (130, 15997553), (143, 14543230), (169, 12305810), (286, 7271615), (338, 6152905), (715, 2908646), (845, 2461162), (1430, 1454323), (1690, 1230581), (1859, 1118710), (3718, 559355), (9295, 223742), (18590, 111871)]