713666440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251291}}^1$

素因数の和:251373

約数の個数: 32

約数和(自身を含む): 1628372160

約数和(自身を除く): 914705720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 251291, 502582, 1005164, 1256455, 2010328, 2512910, 5025820, 10051640, 17841661, 35683322, 71366644, 89208305, 142733288, 178416610, 356833220, 713666440]

約数ペア:

[(1, 713666440), (2, 356833220), (4, 178416610), (5, 142733288), (8, 89208305), (10, 71366644), (20, 35683322), (40, 17841661), (71, 10051640), (142, 5025820), (284, 2512910), (355, 2010328), (568, 1256455), (710, 1005164), (1420, 502582), (2840, 251291)]