2016208900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2213

約数の個数: 72

約数和(自身を含む): 4469262560

約数和(自身を除く): 2453053660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 139, 146, 278, 292, 365, 556, 695, 730, 1390, 1460, 1825, 1987, 2780, 3475, 3650, 3974, 6950, 7300, 7948, 9935, 10147, 13900, 19870, 20294, 39740, 40588, 49675, 50735, 99350, 101470, 145051, 198700, 202940, 253675, 276193, 290102, 507350, 552386, 580204, 725255, 1014700, 1104772, 1380965, 1450510, 2761930, 2901020, 3626275, 5523860, 6904825, 7252550, 13809650, 14505100, 20162089, 27619300, 40324178, 80648356, 100810445, 201620890, 403241780, 504052225, 1008104450, 2016208900]

約数ペア:

[(1, 2016208900), (2, 1008104450), (4, 504052225), (5, 403241780), (10, 201620890), (20, 100810445), (25, 80648356), (50, 40324178), (73, 27619300), (100, 20162089), (139, 14505100), (146, 13809650), (278, 7252550), (292, 6904825), (365, 5523860), (556, 3626275), (695, 2901020), (730, 2761930), (1390, 1450510), (1460, 1380965), (1825, 1104772), (1987, 1014700), (2780, 725255), (3475, 580204), (3650, 552386), (3974, 507350), (6950, 290102), (7300, 276193), (7948, 253675), (9935, 202940), (10147, 198700), (13900, 145051), (19870, 101470), (20294, 99350), (39740, 50735), (40588, 49675)]