207857090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 437059584

約数和(自身を除く): 229202494

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 127, 206, 227, 254, 454, 515, 635, 721, 889, 1030, 1135, 1270, 1442, 1589, 1778, 2270, 3178, 3605, 4445, 7210, 7945, 8890, 13081, 15890, 23381, 26162, 28829, 46762, 57658, 65405, 91567, 116905, 130810, 144145, 163667, 183134, 201803, 233810, 288290, 327334, 403606, 457835, 818335, 915670, 1009015, 1636670, 2018030, 2969387, 5938774, 14846935, 20785709, 29693870, 41571418, 103928545, 207857090]

約数ペア:

[(1, 207857090), (2, 103928545), (5, 41571418), (7, 29693870), (10, 20785709), (14, 14846935), (35, 5938774), (70, 2969387), (103, 2018030), (127, 1636670), (206, 1009015), (227, 915670), (254, 818335), (454, 457835), (515, 403606), (635, 327334), (721, 288290), (889, 233810), (1030, 201803), (1135, 183134), (1270, 163667), (1442, 144145), (1589, 130810), (1778, 116905), (2270, 91567), (3178, 65405), (3605, 57658), (4445, 46762), (7210, 28829), (7945, 26162), (8890, 23381), (13081, 15890)]