207972920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179287}}^1$

素因数の和:179327

約数の個数: 32

約数和(自身を含む): 484077600

約数和(自身を除く): 276104680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 179287, 358574, 717148, 896435, 1434296, 1792870, 3585740, 5199323, 7171480, 10398646, 20797292, 25996615, 41594584, 51993230, 103986460, 207972920]

約数ペア:

[(1, 207972920), (2, 103986460), (4, 51993230), (5, 41594584), (8, 25996615), (10, 20797292), (20, 10398646), (29, 7171480), (40, 5199323), (58, 3585740), (116, 1792870), (145, 1434296), (232, 896435), (290, 717148), (580, 358574), (1160, 179287)]