2018178260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{351599}}^1$

素因数の和:351656

約数の個数: 48

約数和(自身を含む): 4961779200

約数和(自身を除く): 2943600940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 351599, 703198, 1406396, 1757995, 2461193, 3515990, 4922386, 7031980, 9844772, 12305965, 14415559, 24611930, 28831118, 49223860, 57662236, 72077795, 100908913, 144155590, 201817826, 288311180, 403635652, 504544565, 1009089130, 2018178260]

約数ペア:

[(1, 2018178260), (2, 1009089130), (4, 504544565), (5, 403635652), (7, 288311180), (10, 201817826), (14, 144155590), (20, 100908913), (28, 72077795), (35, 57662236), (41, 49223860), (70, 28831118), (82, 24611930), (140, 14415559), (164, 12305965), (205, 9844772), (287, 7031980), (410, 4922386), (574, 3515990), (820, 2461193), (1148, 1757995), (1435, 1406396), (2870, 703198), (5740, 351599)]