121904980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2081}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 267578640

約数和(自身を除く): 145673660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 404, 505, 580, 1010, 2020, 2081, 2929, 4162, 5858, 8324, 10405, 11716, 14645, 20810, 29290, 41620, 58580, 60349, 120698, 210181, 241396, 301745, 420362, 603490, 840724, 1050905, 1206980, 2101810, 4203620, 6095249, 12190498, 24380996, 30476245, 60952490, 121904980]

約数ペア:

[(1, 121904980), (2, 60952490), (4, 30476245), (5, 24380996), (10, 12190498), (20, 6095249), (29, 4203620), (58, 2101810), (101, 1206980), (116, 1050905), (145, 840724), (202, 603490), (290, 420362), (404, 301745), (505, 241396), (580, 210181), (1010, 120698), (2020, 60349), (2081, 58580), (2929, 41620), (4162, 29290), (5858, 20810), (8324, 14645), (10405, 11716)]