313675880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1120271}}^1$

素因数の和:1120289

約数の個数: 32

約数和(自身を含む): 806595840

約数和(自身を除く): 492919960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1120271, 2240542, 4481084, 5601355, 7841897, 8962168, 11202710, 15683794, 22405420, 31367588, 39209485, 44810840, 62735176, 78418970, 156837940, 313675880]

約数ペア:

[(1, 313675880), (2, 156837940), (4, 78418970), (5, 62735176), (7, 44810840), (8, 39209485), (10, 31367588), (14, 22405420), (20, 15683794), (28, 11202710), (35, 8962168), (40, 7841897), (56, 5601355), (70, 4481084), (140, 2240542), (280, 1120271)]