287769320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{248077}}^1$

素因数の和:248117

約数の個数: 32

約数和(自身を含む): 669810600

約数和(自身を除く): 382041280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 248077, 496154, 992308, 1240385, 1984616, 2480770, 4961540, 7194233, 9923080, 14388466, 28776932, 35971165, 57553864, 71942330, 143884660, 287769320]

約数ペア:

[(1, 287769320), (2, 143884660), (4, 71942330), (5, 57553864), (8, 35971165), (10, 28776932), (20, 14388466), (29, 9923080), (40, 7194233), (58, 4961540), (116, 2480770), (145, 1984616), (232, 1240385), (290, 992308), (580, 496154), (1160, 248077)]