28460067860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1865011}}^1$

素因数の和:1865136

約数の個数: 48

約数和(自身を含む): 68930843520

約数和(自身を除く): 40470775660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 1865011, 3730022, 7460044, 9325055, 13055077, 18650110, 26110154, 37300220, 52220308, 65275385, 130550770, 203286199, 261101540, 406572398, 813144796, 1016430995, 1423003393, 2032861990, 2846006786, 4065723980, 5692013572, 7115016965, 14230033930, 28460067860]

約数ペア:

[(1, 28460067860), (2, 14230033930), (4, 7115016965), (5, 5692013572), (7, 4065723980), (10, 2846006786), (14, 2032861990), (20, 1423003393), (28, 1016430995), (35, 813144796), (70, 406572398), (109, 261101540), (140, 203286199), (218, 130550770), (436, 65275385), (545, 52220308), (763, 37300220), (1090, 26110154), (1526, 18650110), (2180, 13055077), (3052, 9325055), (3815, 7460044), (7630, 3730022), (15260, 1865011)]