140685020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43691}}^1$

素因数の和:43730

約数の個数: 48

約数和(自身を含む): 352332288

約数和(自身を除く): 211647268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 43691, 87382, 174764, 218455, 305837, 436910, 611674, 873820, 1004893, 1223348, 1529185, 2009786, 3058370, 4019572, 5024465, 6116740, 7034251, 10048930, 14068502, 20097860, 28137004, 35171255, 70342510, 140685020]

約数ペア:

[(1, 140685020), (2, 70342510), (4, 35171255), (5, 28137004), (7, 20097860), (10, 14068502), (14, 10048930), (20, 7034251), (23, 6116740), (28, 5024465), (35, 4019572), (46, 3058370), (70, 2009786), (92, 1529185), (115, 1223348), (140, 1004893), (161, 873820), (230, 611674), (322, 436910), (460, 305837), (644, 218455), (805, 174764), (1610, 87382), (3220, 43691)]