2023721900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{2389}}^1$

素因数の和:2643

約数の個数: 72

約数和(自身を含む): 4518304560

約数和(自身を除く): 2494582660

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 197, 215, 394, 430, 788, 860, 985, 1075, 1970, 2150, 2389, 3940, 4300, 4778, 4925, 8471, 9556, 9850, 11945, 16942, 19700, 23890, 33884, 42355, 47780, 59725, 84710, 102727, 119450, 169420, 205454, 211775, 238900, 410908, 423550, 470633, 513635, 847100, 941266, 1027270, 1882532, 2054540, 2353165, 2568175, 4706330, 5136350, 9412660, 10272700, 11765825, 20237219, 23531650, 40474438, 47063300, 80948876, 101186095, 202372190, 404744380, 505930475, 1011860950, 2023721900]

約数ペア:

[(1, 2023721900), (2, 1011860950), (4, 505930475), (5, 404744380), (10, 202372190), (20, 101186095), (25, 80948876), (43, 47063300), (50, 40474438), (86, 23531650), (100, 20237219), (172, 11765825), (197, 10272700), (215, 9412660), (394, 5136350), (430, 4706330), (788, 2568175), (860, 2353165), (985, 2054540), (1075, 1882532), (1970, 1027270), (2150, 941266), (2389, 847100), (3940, 513635), (4300, 470633), (4778, 423550), (4925, 410908), (8471, 238900), (9556, 211775), (9850, 205454), (11945, 169420), (16942, 119450), (19700, 102727), (23890, 84710), (33884, 59725), (42355, 47780)]