3191020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 7999488

約数和(自身を除く): 4808468

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, 991, 1610, 1982, 3220, 3964, 4955, 6937, 9910, 13874, 19820, 22793, 27748, 34685, 45586, 69370, 91172, 113965, 138740, 159551, 227930, 319102, 455860, 638204, 797755, 1595510, 3191020]

約数ペア:

[(1, 3191020), (2, 1595510), (4, 797755), (5, 638204), (7, 455860), (10, 319102), (14, 227930), (20, 159551), (23, 138740), (28, 113965), (35, 91172), (46, 69370), (70, 45586), (92, 34685), (115, 27748), (140, 22793), (161, 19820), (230, 13874), (322, 9910), (460, 6937), (644, 4955), (805, 3964), (991, 3220), (1610, 1982)]