687579020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{36457}}^1$

素因数の和:36530

約数の個数: 48

約数和(自身を含む): 1543485888

約数和(自身を除く): 855906868

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4715, 9430, 18860, 36457, 72914, 145828, 182285, 364570, 729140, 838511, 1494737, 1677022, 2989474, 3354044, 4192555, 5978948, 7473685, 8385110, 14947370, 16770220, 29894740, 34378951, 68757902, 137515804, 171894755, 343789510, 687579020]

約数ペア:

[(1, 687579020), (2, 343789510), (4, 171894755), (5, 137515804), (10, 68757902), (20, 34378951), (23, 29894740), (41, 16770220), (46, 14947370), (82, 8385110), (92, 7473685), (115, 5978948), (164, 4192555), (205, 3354044), (230, 2989474), (410, 1677022), (460, 1494737), (820, 838511), (943, 729140), (1886, 364570), (3772, 182285), (4715, 145828), (9430, 72914), (18860, 36457)]