208045810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{129221}}^1$

素因数の和:129258

約数の個数: 32

約数和(自身を含む): 446591232

約数和(自身を除く): 238545422

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 129221, 258442, 646105, 904547, 1292210, 1809094, 2972083, 4522735, 5944166, 9045470, 14860415, 20804581, 29720830, 41609162, 104022905, 208045810]

約数ペア:

[(1, 208045810), (2, 104022905), (5, 41609162), (7, 29720830), (10, 20804581), (14, 14860415), (23, 9045470), (35, 5944166), (46, 4522735), (70, 2972083), (115, 1809094), (161, 1292210), (230, 904547), (322, 646105), (805, 258442), (1610, 129221)]