43148140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{991}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 103993344

約数和(自身を除く): 60845204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 991, 1244, 1555, 1982, 2177, 3110, 3964, 4354, 4955, 6220, 6937, 8708, 9910, 10885, 13874, 19820, 21770, 27748, 34685, 43540, 69370, 138740, 308201, 616402, 1232804, 1541005, 2157407, 3082010, 4314814, 6164020, 8629628, 10787035, 21574070, 43148140]

約数ペア:

[(1, 43148140), (2, 21574070), (4, 10787035), (5, 8629628), (7, 6164020), (10, 4314814), (14, 3082010), (20, 2157407), (28, 1541005), (35, 1232804), (70, 616402), (140, 308201), (311, 138740), (622, 69370), (991, 43540), (1244, 34685), (1555, 27748), (1982, 21770), (2177, 19820), (3110, 13874), (3964, 10885), (4354, 9910), (4955, 8708), (6220, 6937)]