2880821800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{758111}}^1$

素因数の和:758146

約数の個数: 48

約数和(自身を含む): 7050441600

約数和(自身を除く): 4169619800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 758111, 1516222, 3032444, 3790555, 6064888, 7581110, 14404109, 15162220, 18952775, 28808218, 30324440, 37905550, 57616436, 72020545, 75811100, 115232872, 144041090, 151622200, 288082180, 360102725, 576164360, 720205450, 1440410900, 2880821800]

約数ペア:

[(1, 2880821800), (2, 1440410900), (4, 720205450), (5, 576164360), (8, 360102725), (10, 288082180), (19, 151622200), (20, 144041090), (25, 115232872), (38, 75811100), (40, 72020545), (50, 57616436), (76, 37905550), (95, 30324440), (100, 28808218), (152, 18952775), (190, 15162220), (200, 14404109), (380, 7581110), (475, 6064888), (760, 3790555), (950, 3032444), (1900, 1516222), (3800, 758111)]