123497140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1361}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 280299600

約数和(自身を除く): 156802460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 698, 1361, 1396, 1745, 2722, 3490, 4537, 5444, 6805, 6980, 9074, 13610, 17693, 18148, 22685, 27220, 35386, 45370, 70772, 88465, 90740, 176930, 353860, 474989, 949978, 1899956, 2374945, 4749890, 6174857, 9499780, 12349714, 24699428, 30874285, 61748570, 123497140]

約数ペア:

[(1, 123497140), (2, 61748570), (4, 30874285), (5, 24699428), (10, 12349714), (13, 9499780), (20, 6174857), (26, 4749890), (52, 2374945), (65, 1899956), (130, 949978), (260, 474989), (349, 353860), (698, 176930), (1361, 90740), (1396, 88465), (1745, 70772), (2722, 45370), (3490, 35386), (4537, 27220), (5444, 22685), (6805, 18148), (6980, 17693), (9074, 13610)]