204948340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2293}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 445127760

約数和(自身を除く): 240179420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1090, 2180, 2293, 4469, 4586, 8938, 9172, 11465, 17876, 22345, 22930, 44690, 45860, 89380, 94013, 188026, 249937, 376052, 470065, 499874, 940130, 999748, 1249685, 1880260, 2499370, 4998740, 10247417, 20494834, 40989668, 51237085, 102474170, 204948340]

約数ペア:

[(1, 204948340), (2, 102474170), (4, 51237085), (5, 40989668), (10, 20494834), (20, 10247417), (41, 4998740), (82, 2499370), (109, 1880260), (164, 1249685), (205, 999748), (218, 940130), (410, 499874), (436, 470065), (545, 376052), (820, 249937), (1090, 188026), (2180, 94013), (2293, 89380), (4469, 45860), (4586, 44690), (8938, 22930), (9172, 22345), (11465, 17876)]