210845180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115849}}^1$

素因数の和:115878

約数の個数: 48

約数和(自身を含む): 544958400

約数和(自身を除く): 334113220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 115849, 231698, 463396, 579245, 810943, 1158490, 1506037, 1621886, 2316980, 3012074, 3243772, 4054715, 6024148, 7530185, 8109430, 10542259, 15060370, 16218860, 21084518, 30120740, 42169036, 52711295, 105422590, 210845180]

約数ペア:

[(1, 210845180), (2, 105422590), (4, 52711295), (5, 42169036), (7, 30120740), (10, 21084518), (13, 16218860), (14, 15060370), (20, 10542259), (26, 8109430), (28, 7530185), (35, 6024148), (52, 4054715), (65, 3243772), (70, 3012074), (91, 2316980), (130, 1621886), (140, 1506037), (182, 1158490), (260, 810943), (364, 579245), (455, 463396), (910, 231698), (1820, 115849)]