51887780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{811}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 124957056

約数和(自身を除く): 73069276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 811, 914, 1622, 1828, 2285, 3199, 3244, 4055, 4570, 5677, 6398, 8110, 9140, 11354, 12796, 15995, 16220, 22708, 28385, 31990, 56770, 63980, 113540, 370627, 741254, 1482508, 1853135, 2594389, 3706270, 5188778, 7412540, 10377556, 12971945, 25943890, 51887780]

約数ペア:

[(1, 51887780), (2, 25943890), (4, 12971945), (5, 10377556), (7, 7412540), (10, 5188778), (14, 3706270), (20, 2594389), (28, 1853135), (35, 1482508), (70, 741254), (140, 370627), (457, 113540), (811, 63980), (914, 56770), (1622, 31990), (1828, 28385), (2285, 22708), (3199, 16220), (3244, 15995), (4055, 12796), (4570, 11354), (5677, 9140), (6398, 8110)]