8672860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61949}}^1$

素因数の和:61965

約数の個数: 24

約数和(自身を含む): 20815200

約数和(自身を除く): 12142340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 61949, 123898, 247796, 309745, 433643, 619490, 867286, 1238980, 1734572, 2168215, 4336430, 8672860]

約数ペア:

[(1, 8672860), (2, 4336430), (4, 2168215), (5, 1734572), (7, 1238980), (10, 867286), (14, 619490), (20, 433643), (28, 309745), (35, 247796), (70, 123898), (140, 61949)]