2783171980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{7883}}^1$

素因数の和:8158

約数の個数: 48

約数和(自身を含む): 5933813760

約数和(自身を除く): 3150641780

約数列:

[1, 2, 4, 5, 10, 20, 127, 139, 254, 278, 508, 556, 635, 695, 1270, 1390, 2540, 2780, 7883, 15766, 17653, 31532, 35306, 39415, 70612, 78830, 88265, 157660, 176530, 353060, 1001141, 1095737, 2002282, 2191474, 4004564, 4382948, 5005705, 5478685, 10011410, 10957370, 20022820, 21914740, 139158599, 278317198, 556634396, 695792995, 1391585990, 2783171980]

約数ペア:

[(1, 2783171980), (2, 1391585990), (4, 695792995), (5, 556634396), (10, 278317198), (20, 139158599), (127, 21914740), (139, 20022820), (254, 10957370), (278, 10011410), (508, 5478685), (556, 5005705), (635, 4382948), (695, 4004564), (1270, 2191474), (1390, 2002282), (2540, 1095737), (2780, 1001141), (7883, 353060), (15766, 176530), (17653, 157660), (31532, 88265), (35306, 78830), (39415, 70612)]