8747480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4463}}^1$

素因数の和:4488

約数の個数: 48

約数和(自身を含む): 22900320

約数和(自身を除く): 14152840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4463, 8926, 17852, 22315, 31241, 35704, 44630, 62482, 89260, 124964, 156205, 178520, 218687, 249928, 312410, 437374, 624820, 874748, 1093435, 1249640, 1749496, 2186870, 4373740, 8747480]

約数ペア:

[(1, 8747480), (2, 4373740), (4, 2186870), (5, 1749496), (7, 1249640), (8, 1093435), (10, 874748), (14, 624820), (20, 437374), (28, 312410), (35, 249928), (40, 218687), (49, 178520), (56, 156205), (70, 124964), (98, 89260), (140, 62482), (196, 44630), (245, 35704), (280, 31241), (392, 22315), (490, 17852), (980, 8926), (1960, 4463)]