6921740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1009}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 16968000

約数和(自身を除く): 10046260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1009, 1372, 1715, 2018, 3430, 4036, 5045, 6860, 7063, 10090, 14126, 20180, 28252, 35315, 49441, 70630, 98882, 141260, 197764, 247205, 346087, 494410, 692174, 988820, 1384348, 1730435, 3460870, 6921740]

約数ペア:

[(1, 6921740), (2, 3460870), (4, 1730435), (5, 1384348), (7, 988820), (10, 692174), (14, 494410), (20, 346087), (28, 247205), (35, 197764), (49, 141260), (70, 98882), (98, 70630), (140, 49441), (196, 35315), (245, 28252), (343, 20180), (490, 14126), (686, 10090), (980, 7063), (1009, 6860), (1372, 5045), (1715, 4036), (2018, 3430)]