209253310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{129971}}^1$

素因数の和:130008

約数の個数: 32

約数和(自身を含む): 449183232

約数和(自身を除く): 239929922

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 129971, 259942, 649855, 909797, 1299710, 1819594, 2989333, 4548985, 5978666, 9097970, 14946665, 20925331, 29893330, 41850662, 104626655, 209253310]

約数ペア:

[(1, 209253310), (2, 104626655), (5, 41850662), (7, 29893330), (10, 20925331), (14, 14946665), (23, 9097970), (35, 5978666), (46, 4548985), (70, 2989333), (115, 1819594), (161, 1299710), (230, 909797), (322, 649855), (805, 259942), (1610, 129971)]