1900557680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3393853}}^1$

素因数の和:3393873

約数の個数: 40

約数和(自身を含む): 5050054752

約数和(自身を除く): 3149497072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3393853, 6787706, 13575412, 16969265, 23756971, 27150824, 33938530, 47513942, 54301648, 67877060, 95027884, 118784855, 135754120, 190055768, 237569710, 271508240, 380111536, 475139420, 950278840, 1900557680]

約数ペア:

[(1, 1900557680), (2, 950278840), (4, 475139420), (5, 380111536), (7, 271508240), (8, 237569710), (10, 190055768), (14, 135754120), (16, 118784855), (20, 95027884), (28, 67877060), (35, 54301648), (40, 47513942), (56, 33938530), (70, 27150824), (80, 23756971), (112, 16969265), (140, 13575412), (280, 6787706), (560, 3393853)]