2019049970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{1999}}^1$

素因数の和:2367

約数の個数: 64

約数和(自身を含む): 4257792000

約数和(自身を除く): 2238742030

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 307, 329, 470, 614, 658, 1535, 1645, 1999, 2149, 3070, 3290, 3998, 4298, 9995, 10745, 13993, 14429, 19990, 21490, 27986, 28858, 69965, 72145, 93953, 101003, 139930, 144290, 187906, 202006, 469765, 505015, 613693, 657671, 939530, 1010030, 1227386, 1315342, 3068465, 3288355, 4295851, 6136930, 6576710, 8591702, 21479255, 28843571, 42958510, 57687142, 144217855, 201904997, 288435710, 403809994, 1009524985, 2019049970]

約数ペア:

[(1, 2019049970), (2, 1009524985), (5, 403809994), (7, 288435710), (10, 201904997), (14, 144217855), (35, 57687142), (47, 42958510), (70, 28843571), (94, 21479255), (235, 8591702), (307, 6576710), (329, 6136930), (470, 4295851), (614, 3288355), (658, 3068465), (1535, 1315342), (1645, 1227386), (1999, 1010030), (2149, 939530), (3070, 657671), (3290, 613693), (3998, 505015), (4298, 469765), (9995, 202006), (10745, 187906), (13993, 144290), (14429, 139930), (19990, 101003), (21490, 93953), (27986, 72145), (28858, 69965)]