248265080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2851}}^1$

素因数の和:3180

約数の個数: 64

約数和(自身を含む): 640673280

約数和(自身を除く): 392408200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 622, 1244, 1555, 2177, 2488, 2851, 3110, 4354, 5702, 6220, 8708, 10885, 11404, 12440, 14255, 17416, 19957, 21770, 22808, 28510, 39914, 43540, 57020, 79828, 87080, 99785, 114040, 159656, 199570, 399140, 798280, 886661, 1773322, 3546644, 4433305, 6206627, 7093288, 8866610, 12413254, 17733220, 24826508, 31033135, 35466440, 49653016, 62066270, 124132540, 248265080]

約数ペア:

[(1, 248265080), (2, 124132540), (4, 62066270), (5, 49653016), (7, 35466440), (8, 31033135), (10, 24826508), (14, 17733220), (20, 12413254), (28, 8866610), (35, 7093288), (40, 6206627), (56, 4433305), (70, 3546644), (140, 1773322), (280, 886661), (311, 798280), (622, 399140), (1244, 199570), (1555, 159656), (2177, 114040), (2488, 99785), (2851, 87080), (3110, 79828), (4354, 57020), (5702, 43540), (6220, 39914), (8708, 28510), (10885, 22808), (11404, 21770), (12440, 19957), (14255, 17416)]