2021831900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{39107}}^1$

素因数の和:39179

約数の個数: 72

約数和(自身を含む): 4888187136

約数和(自身を除く): 2866355236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 220, 235, 275, 470, 517, 550, 940, 1034, 1100, 1175, 2068, 2350, 2585, 4700, 5170, 10340, 12925, 25850, 39107, 51700, 78214, 156428, 195535, 391070, 430177, 782140, 860354, 977675, 1720708, 1838029, 1955350, 2150885, 3676058, 3910700, 4301770, 7352116, 8603540, 9190145, 10754425, 18380290, 20218319, 21508850, 36760580, 40436638, 43017700, 45950725, 80873276, 91901450, 101091595, 183802900, 202183190, 404366380, 505457975, 1010915950, 2021831900]

約数ペア:

[(1, 2021831900), (2, 1010915950), (4, 505457975), (5, 404366380), (10, 202183190), (11, 183802900), (20, 101091595), (22, 91901450), (25, 80873276), (44, 45950725), (47, 43017700), (50, 40436638), (55, 36760580), (94, 21508850), (100, 20218319), (110, 18380290), (188, 10754425), (220, 9190145), (235, 8603540), (275, 7352116), (470, 4301770), (517, 3910700), (550, 3676058), (940, 2150885), (1034, 1955350), (1100, 1838029), (1175, 1720708), (2068, 977675), (2350, 860354), (2585, 782140), (4700, 430177), (5170, 391070), (10340, 195535), (12925, 156428), (25850, 78214), (39107, 51700)]