457788140

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{10711}}^1$

素因数の和:12857

約数の個数: 24

約数和(自身を含む): 961894752

約数和(自身を除く): 504106612

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 8548, 10685, 10711, 21370, 21422, 42740, 42844, 53555, 107110, 214220, 22889407, 45778814, 91557628, 114447035, 228894070, 457788140]

約数ペア:

[(1, 457788140), (2, 228894070), (4, 114447035), (5, 91557628), (10, 45778814), (20, 22889407), (2137, 214220), (4274, 107110), (8548, 53555), (10685, 42844), (10711, 42740), (21370, 21422)]