42812140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{977}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 103182912

約数和(自身を除く): 60370772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 626, 977, 1252, 1565, 1954, 2191, 3130, 3908, 4382, 4885, 6260, 6839, 8764, 9770, 10955, 13678, 19540, 21910, 27356, 34195, 43820, 68390, 136780, 305801, 611602, 1223204, 1529005, 2140607, 3058010, 4281214, 6116020, 8562428, 10703035, 21406070, 42812140]

約数ペア:

[(1, 42812140), (2, 21406070), (4, 10703035), (5, 8562428), (7, 6116020), (10, 4281214), (14, 3058010), (20, 2140607), (28, 1529005), (35, 1223204), (70, 611602), (140, 305801), (313, 136780), (626, 68390), (977, 43820), (1252, 34195), (1565, 27356), (1954, 21910), (2191, 19540), (3130, 13678), (3908, 10955), (4382, 9770), (4885, 8764), (6260, 6839)]