51749720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 127764000

約数和(自身を除く): 76014280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 337, 349, 440, 674, 698, 1348, 1396, 1685, 1745, 2696, 2792, 3370, 3490, 3707, 3839, 6740, 6980, 7414, 7678, 13480, 13960, 14828, 15356, 18535, 19195, 29656, 30712, 37070, 38390, 74140, 76780, 117613, 148280, 153560, 235226, 470452, 588065, 940904, 1176130, 1293743, 2352260, 2587486, 4704520, 5174972, 6468715, 10349944, 12937430, 25874860, 51749720]

約数ペア:

[(1, 51749720), (2, 25874860), (4, 12937430), (5, 10349944), (8, 6468715), (10, 5174972), (11, 4704520), (20, 2587486), (22, 2352260), (40, 1293743), (44, 1176130), (55, 940904), (88, 588065), (110, 470452), (220, 235226), (337, 153560), (349, 148280), (440, 117613), (674, 76780), (698, 74140), (1348, 38390), (1396, 37070), (1685, 30712), (1745, 29656), (2696, 19195), (2792, 18535), (3370, 15356), (3490, 14828), (3707, 13960), (3839, 13480), (6740, 7678), (6980, 7414)]