265018280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^2\times {\mathrm{353}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 602377020

約数和(自身を除く): 337358740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 353, 548, 685, 706, 1096, 1370, 1412, 1765, 2740, 2824, 3530, 5480, 7060, 14120, 18769, 37538, 48361, 75076, 93845, 96722, 150152, 187690, 193444, 241805, 375380, 386888, 483610, 750760, 967220, 1934440, 6625457, 13250914, 26501828, 33127285, 53003656, 66254570, 132509140, 265018280]

約数ペア:

[(1, 265018280), (2, 132509140), (4, 66254570), (5, 53003656), (8, 33127285), (10, 26501828), (20, 13250914), (40, 6625457), (137, 1934440), (274, 967220), (353, 750760), (548, 483610), (685, 386888), (706, 375380), (1096, 241805), (1370, 193444), (1412, 187690), (1765, 150152), (2740, 96722), (2824, 93845), (3530, 75076), (5480, 48361), (7060, 37538), (14120, 18769)]