2051207900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{709}}^1\times {\mathrm{4133}}^1$

素因数の和:4863

約数の個数: 72

約数和(自身を含む): 5095403040

約数和(自身を除く): 3044195140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 709, 1418, 2836, 3545, 4133, 4963, 7090, 8266, 9926, 14180, 16532, 17725, 19852, 20665, 24815, 28931, 35450, 41330, 49630, 57862, 70900, 82660, 99260, 103325, 115724, 124075, 144655, 206650, 248150, 289310, 413300, 496300, 578620, 723275, 1446550, 2893100, 2930297, 5860594, 11721188, 14651485, 20512079, 29302970, 41024158, 58605940, 73257425, 82048316, 102560395, 146514850, 205120790, 293029700, 410241580, 512801975, 1025603950, 2051207900]

約数ペア:

[(1, 2051207900), (2, 1025603950), (4, 512801975), (5, 410241580), (7, 293029700), (10, 205120790), (14, 146514850), (20, 102560395), (25, 82048316), (28, 73257425), (35, 58605940), (50, 41024158), (70, 29302970), (100, 20512079), (140, 14651485), (175, 11721188), (350, 5860594), (700, 2930297), (709, 2893100), (1418, 1446550), (2836, 723275), (3545, 578620), (4133, 496300), (4963, 413300), (7090, 289310), (8266, 248150), (9926, 206650), (14180, 144655), (16532, 124075), (17725, 115724), (19852, 103325), (20665, 99260), (24815, 82660), (28931, 70900), (35450, 57862), (41330, 49630)]