201628280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{720101}}^1$

素因数の和:720119

約数の個数: 32

約数和(自身を含む): 518473440

約数和(自身を除く): 316845160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 720101, 1440202, 2880404, 3600505, 5040707, 5760808, 7201010, 10081414, 14402020, 20162828, 25203535, 28804040, 40325656, 50407070, 100814140, 201628280]

約数ペア:

[(1, 201628280), (2, 100814140), (4, 50407070), (5, 40325656), (7, 28804040), (8, 25203535), (10, 20162828), (14, 14402020), (20, 10081414), (28, 7201010), (35, 5760808), (40, 5040707), (56, 3600505), (70, 2880404), (140, 1440202), (280, 720101)]