70811020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21991}}^1$

素因数の和:22030

約数の個数: 48

約数和(自身を含む): 177343488

約数和(自身を除く): 106532468

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, 21991, 43982, 87964, 109955, 153937, 219910, 307874, 439820, 505793, 615748, 769685, 1011586, 1539370, 2023172, 2528965, 3078740, 3540551, 5057930, 7081102, 10115860, 14162204, 17702755, 35405510, 70811020]

約数ペア:

[(1, 70811020), (2, 35405510), (4, 17702755), (5, 14162204), (7, 10115860), (10, 7081102), (14, 5057930), (20, 3540551), (23, 3078740), (28, 2528965), (35, 2023172), (46, 1539370), (70, 1011586), (92, 769685), (115, 615748), (140, 505793), (161, 439820), (230, 307874), (322, 219910), (460, 153937), (644, 109955), (805, 87964), (1610, 43982), (3220, 21991)]