30800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1$

素因数の和:36

約数の個数: 60

約数和(自身を含む): 92256

約数和(自身を除く): 61456

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 175, 176, 200, 220, 275, 280, 308, 350, 385, 400, 440, 550, 560, 616, 700, 770, 880, 1100, 1232, 1400, 1540, 1925, 2200, 2800, 3080, 3850, 4400, 6160, 7700, 15400, 30800]

約数ペア:

[(1, 30800), (2, 15400), (4, 7700), (5, 6160), (7, 4400), (8, 3850), (10, 3080), (11, 2800), (14, 2200), (16, 1925), (20, 1540), (22, 1400), (25, 1232), (28, 1100), (35, 880), (40, 770), (44, 700), (50, 616), (55, 560), (56, 550), (70, 440), (77, 400), (80, 385), (88, 350), (100, 308), (110, 280), (112, 275), (140, 220), (154, 200), (175, 176)]