8988420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21401}}^1$

素因数の和:21420

約数の個数: 48

約数和(自身を含む): 28764288

約数和(自身を除く): 19775868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 21401, 42802, 64203, 85604, 107005, 128406, 149807, 214010, 256812, 299614, 321015, 428020, 449421, 599228, 642030, 749035, 898842, 1284060, 1498070, 1797684, 2247105, 2996140, 4494210, 8988420]

約数ペア:

[(1, 8988420), (2, 4494210), (3, 2996140), (4, 2247105), (5, 1797684), (6, 1498070), (7, 1284060), (10, 898842), (12, 749035), (14, 642030), (15, 599228), (20, 449421), (21, 428020), (28, 321015), (30, 299614), (35, 256812), (42, 214010), (60, 149807), (70, 128406), (84, 107005), (105, 85604), (140, 64203), (210, 42802), (420, 21401)]