280069010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{6173}}^1$

素因数の和:6542

約数の個数: 32

約数和(自身を含む): 544546800

約数和(自身を除く): 264477790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 698, 1745, 3490, 4537, 6173, 9074, 12346, 22685, 30865, 45370, 61730, 80249, 160498, 401245, 802490, 2154377, 4308754, 10771885, 21543770, 28006901, 56013802, 140034505, 280069010]

約数ペア:

[(1, 280069010), (2, 140034505), (5, 56013802), (10, 28006901), (13, 21543770), (26, 10771885), (65, 4308754), (130, 2154377), (349, 802490), (698, 401245), (1745, 160498), (3490, 80249), (4537, 61730), (6173, 45370), (9074, 30865), (12346, 22685)]