280780472

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{48679}}^1$

素因数の和:48795

約数の個数: 32

約数和(自身を含む): 607526400

約数和(自身を除く): 326745928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 48679, 97358, 194716, 340753, 389432, 681506, 1363012, 2726024, 5013937, 10027874, 20055748, 35097559, 40111496, 70195118, 140390236, 280780472]

約数ペア:

[(1, 280780472), (2, 140390236), (4, 70195118), (7, 40111496), (8, 35097559), (14, 20055748), (28, 10027874), (56, 5013937), (103, 2726024), (206, 1363012), (412, 681506), (721, 389432), (824, 340753), (1442, 194716), (2884, 97358), (5768, 48679)]