2018749390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{9907}}^1$

素因数の和:10033

約数の個数: 64

約数和(自身を含む): 4314498048

約数和(自身を除く): 2295748658

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 71, 82, 142, 205, 287, 355, 410, 497, 574, 710, 994, 1435, 2485, 2870, 2911, 4970, 5822, 9907, 14555, 19814, 20377, 29110, 40754, 49535, 69349, 99070, 101885, 138698, 203770, 346745, 406187, 693490, 703397, 812374, 1406794, 2030935, 2843309, 3516985, 4061870, 4923779, 5686618, 7033970, 9847558, 14216545, 24618895, 28433090, 28839277, 49237790, 57678554, 144196385, 201874939, 288392770, 403749878, 1009374695, 2018749390]

約数ペア:

[(1, 2018749390), (2, 1009374695), (5, 403749878), (7, 288392770), (10, 201874939), (14, 144196385), (35, 57678554), (41, 49237790), (70, 28839277), (71, 28433090), (82, 24618895), (142, 14216545), (205, 9847558), (287, 7033970), (355, 5686618), (410, 4923779), (497, 4061870), (574, 3516985), (710, 2843309), (994, 2030935), (1435, 1406794), (2485, 812374), (2870, 703397), (2911, 693490), (4970, 406187), (5822, 346745), (9907, 203770), (14555, 138698), (19814, 101885), (20377, 99070), (29110, 69349), (40754, 49535)]