258788000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2143

約数の個数: 96

約数和(自身を含む): 656667648

約数和(自身を除く): 397879648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 400, 496, 500, 620, 775, 800, 992, 1000, 1240, 1550, 2000, 2087, 2480, 3100, 3875, 4000, 4174, 4960, 6200, 7750, 8348, 10435, 12400, 15500, 16696, 20870, 24800, 31000, 33392, 41740, 52175, 62000, 64697, 66784, 83480, 104350, 124000, 129394, 166960, 208700, 258788, 260875, 323485, 333920, 417400, 517576, 521750, 646970, 834800, 1035152, 1043500, 1293940, 1617425, 1669600, 2070304, 2087000, 2587880, 3234850, 4174000, 5175760, 6469700, 8087125, 8348000, 10351520, 12939400, 16174250, 25878800, 32348500, 51757600, 64697000, 129394000, 258788000]

約数ペア:

[(1, 258788000), (2, 129394000), (4, 64697000), (5, 51757600), (8, 32348500), (10, 25878800), (16, 16174250), (20, 12939400), (25, 10351520), (31, 8348000), (32, 8087125), (40, 6469700), (50, 5175760), (62, 4174000), (80, 3234850), (100, 2587880), (124, 2087000), (125, 2070304), (155, 1669600), (160, 1617425), (200, 1293940), (248, 1043500), (250, 1035152), (310, 834800), (400, 646970), (496, 521750), (500, 517576), (620, 417400), (775, 333920), (800, 323485), (992, 260875), (1000, 258788), (1240, 208700), (1550, 166960), (2000, 129394), (2087, 124000), (2480, 104350), (3100, 83480), (3875, 66784), (4000, 64697), (4174, 62000), (4960, 52175), (6200, 41740), (7750, 33392), (8348, 31000), (10435, 24800), (12400, 20870), (15500, 16696)]