9887140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 22063104

約数和(自身を除く): 12175964

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 431, 620, 740, 862, 1147, 1724, 2155, 2294, 4310, 4588, 5735, 8620, 11470, 13361, 15947, 22940, 26722, 31894, 53444, 63788, 66805, 79735, 133610, 159470, 267220, 318940, 494357, 988714, 1977428, 2471785, 4943570, 9887140]

約数ペア:

[(1, 9887140), (2, 4943570), (4, 2471785), (5, 1977428), (10, 988714), (20, 494357), (31, 318940), (37, 267220), (62, 159470), (74, 133610), (124, 79735), (148, 66805), (155, 63788), (185, 53444), (310, 31894), (370, 26722), (431, 22940), (620, 15947), (740, 13361), (862, 11470), (1147, 8620), (1724, 5735), (2155, 4588), (2294, 4310)]