820975020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{141061}}^1$

素因数の和:141170

約数の個数: 48

約数和(自身を含む): 2322444768

約数和(自身を除く): 1501469748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5820, 141061, 282122, 423183, 564244, 705305, 846366, 1410610, 1692732, 2115915, 2821220, 4231830, 8463660, 13682917, 27365834, 41048751, 54731668, 68414585, 82097502, 136829170, 164195004, 205243755, 273658340, 410487510, 820975020]

約数ペア:

[(1, 820975020), (2, 410487510), (3, 273658340), (4, 205243755), (5, 164195004), (6, 136829170), (10, 82097502), (12, 68414585), (15, 54731668), (20, 41048751), (30, 27365834), (60, 13682917), (97, 8463660), (194, 4231830), (291, 2821220), (388, 2115915), (485, 1692732), (582, 1410610), (970, 846366), (1164, 705305), (1455, 564244), (1940, 423183), (2910, 282122), (5820, 141061)]