805406980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5752907}}^1$

素因数の和:5752923

約数の個数: 24

約数和(自身を含む): 1932977088

約数和(自身を除く): 1127570108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5752907, 11505814, 23011628, 28764535, 40270349, 57529070, 80540698, 115058140, 161081396, 201351745, 402703490, 805406980]

約数ペア:

[(1, 805406980), (2, 402703490), (4, 201351745), (5, 161081396), (7, 115058140), (10, 80540698), (14, 57529070), (20, 40270349), (28, 28764535), (35, 23011628), (70, 11505814), (140, 5752907)]