797813780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{2081}}^1$

素因数の和:2780

約数の個数: 48

約数和(自身を含む): 1736637840

約数和(自身を除く): 938824060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 661, 1322, 2081, 2644, 3305, 4162, 6610, 8324, 10405, 13220, 19169, 20810, 38338, 41620, 60349, 76676, 95845, 120698, 191690, 241396, 301745, 383380, 603490, 1206980, 1375541, 2751082, 5502164, 6877705, 13755410, 27510820, 39890689, 79781378, 159562756, 199453445, 398906890, 797813780]

約数ペア:

[(1, 797813780), (2, 398906890), (4, 199453445), (5, 159562756), (10, 79781378), (20, 39890689), (29, 27510820), (58, 13755410), (116, 6877705), (145, 5502164), (290, 2751082), (580, 1375541), (661, 1206980), (1322, 603490), (2081, 383380), (2644, 301745), (3305, 241396), (4162, 191690), (6610, 120698), (8324, 95845), (10405, 76676), (13220, 60349), (19169, 41620), (20810, 38338)]