213879260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1527709}}^1$

素因数の和:1527725

約数の個数: 24

約数和(自身を含む): 513310560

約数和(自身を除く): 299431300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1527709, 3055418, 6110836, 7638545, 10693963, 15277090, 21387926, 30554180, 42775852, 53469815, 106939630, 213879260]

約数ペア:

[(1, 213879260), (2, 106939630), (4, 53469815), (5, 42775852), (7, 30554180), (10, 21387926), (14, 15277090), (20, 10693963), (28, 7638545), (35, 6110836), (70, 3055418), (140, 1527709)]