15400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1$

素因数の和:34

約数の個数: 48

約数和(自身を含む): 44640

約数和(自身を除く): 29240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 140, 154, 175, 200, 220, 275, 280, 308, 350, 385, 440, 550, 616, 700, 770, 1100, 1400, 1540, 1925, 2200, 3080, 3850, 7700, 15400]

約数ペア:

[(1, 15400), (2, 7700), (4, 3850), (5, 3080), (7, 2200), (8, 1925), (10, 1540), (11, 1400), (14, 1100), (20, 770), (22, 700), (25, 616), (28, 550), (35, 440), (40, 385), (44, 350), (50, 308), (55, 280), (56, 275), (70, 220), (77, 200), (88, 175), (100, 154), (110, 140)]