8419740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20047}}^1$

素因数の和:20066

約数の個数: 48

約数和(自身を含む): 26944512

約数和(自身を除く): 18524772

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, 20047, 40094, 60141, 80188, 100235, 120282, 140329, 200470, 240564, 280658, 300705, 400940, 420987, 561316, 601410, 701645, 841974, 1202820, 1403290, 1683948, 2104935, 2806580, 4209870, 8419740]

約数ペア:

[(1, 8419740), (2, 4209870), (3, 2806580), (4, 2104935), (5, 1683948), (6, 1403290), (7, 1202820), (10, 841974), (12, 701645), (14, 601410), (15, 561316), (20, 420987), (21, 400940), (28, 300705), (30, 280658), (35, 240564), (42, 200470), (60, 140329), (70, 120282), (84, 100235), (105, 80188), (140, 60141), (210, 40094), (420, 20047)]