85512280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{305401}}^1$

素因数の和:305419

約数の個数: 32

約数和(自身を含む): 219889440

約数和(自身を除く): 134377160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 305401, 610802, 1221604, 1527005, 2137807, 2443208, 3054010, 4275614, 6108020, 8551228, 10689035, 12216040, 17102456, 21378070, 42756140, 85512280]

約数ペア:

[(1, 85512280), (2, 42756140), (4, 21378070), (5, 17102456), (7, 12216040), (8, 10689035), (10, 8551228), (14, 6108020), (20, 4275614), (28, 3054010), (35, 2443208), (40, 2137807), (56, 1527005), (70, 1221604), (140, 610802), (280, 305401)]