51205420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 128314368

約数和(自身を除く): 77108948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 67, 70, 103, 106, 134, 140, 206, 212, 265, 268, 335, 371, 412, 469, 515, 530, 670, 721, 742, 938, 1030, 1060, 1340, 1442, 1484, 1855, 1876, 2060, 2345, 2884, 3551, 3605, 3710, 4690, 5459, 6901, 7102, 7210, 7420, 9380, 10918, 13802, 14204, 14420, 17755, 21836, 24857, 27295, 27604, 34505, 35510, 38213, 48307, 49714, 54590, 69010, 71020, 76426, 96614, 99428, 109180, 124285, 138020, 152852, 191065, 193228, 241535, 248570, 365753, 382130, 483070, 497140, 731506, 764260, 966140, 1463012, 1828765, 2560271, 3657530, 5120542, 7315060, 10241084, 12801355, 25602710, 51205420]

約数ペア:

[(1, 51205420), (2, 25602710), (4, 12801355), (5, 10241084), (7, 7315060), (10, 5120542), (14, 3657530), (20, 2560271), (28, 1828765), (35, 1463012), (53, 966140), (67, 764260), (70, 731506), (103, 497140), (106, 483070), (134, 382130), (140, 365753), (206, 248570), (212, 241535), (265, 193228), (268, 191065), (335, 152852), (371, 138020), (412, 124285), (469, 109180), (515, 99428), (530, 96614), (670, 76426), (721, 71020), (742, 69010), (938, 54590), (1030, 49714), (1060, 48307), (1340, 38213), (1442, 35510), (1484, 34505), (1855, 27604), (1876, 27295), (2060, 24857), (2345, 21836), (2884, 17755), (3551, 14420), (3605, 14204), (3710, 13802), (4690, 10918), (5459, 9380), (6901, 7420), (7102, 7210)]