280700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{401}}^1$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 697872

約数和(自身を除く): 417172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 401, 700, 802, 1604, 2005, 2807, 4010, 5614, 8020, 10025, 11228, 14035, 20050, 28070, 40100, 56140, 70175, 140350, 280700]

約数ペア:

[(1, 280700), (2, 140350), (4, 70175), (5, 56140), (7, 40100), (10, 28070), (14, 20050), (20, 14035), (25, 11228), (28, 10025), (35, 8020), (50, 5614), (70, 4010), (100, 2807), (140, 2005), (175, 1604), (350, 802), (401, 700)]