664930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 1477440

約数和(自身を除く): 812510

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 59, 70, 98, 115, 118, 161, 230, 245, 295, 322, 413, 490, 590, 805, 826, 1127, 1357, 1610, 2065, 2254, 2714, 2891, 4130, 5635, 5782, 6785, 9499, 11270, 13570, 14455, 18998, 28910, 47495, 66493, 94990, 132986, 332465, 664930]

約数ペア:

[(1, 664930), (2, 332465), (5, 132986), (7, 94990), (10, 66493), (14, 47495), (23, 28910), (35, 18998), (46, 14455), (49, 13570), (59, 11270), (70, 9499), (98, 6785), (115, 5782), (118, 5635), (161, 4130), (230, 2891), (245, 2714), (295, 2254), (322, 2065), (413, 1610), (490, 1357), (590, 1127), (805, 826)]