8965740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21347}}^1$

素因数の和:21366

約数の個数: 48

約数和(自身を含む): 28691712

約数和(自身を除く): 19725972

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, 21347, 42694, 64041, 85388, 106735, 128082, 149429, 213470, 256164, 298858, 320205, 426940, 448287, 597716, 640410, 747145, 896574, 1280820, 1494290, 1793148, 2241435, 2988580, 4482870, 8965740]

約数ペア:

[(1, 8965740), (2, 4482870), (3, 2988580), (4, 2241435), (5, 1793148), (6, 1494290), (7, 1280820), (10, 896574), (12, 747145), (14, 640410), (15, 597716), (20, 448287), (21, 426940), (28, 320205), (30, 298858), (35, 256164), (42, 213470), (60, 149429), (70, 128082), (84, 106735), (105, 85388), (140, 64041), (210, 42694), (420, 21347)]