12984020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13249}}^1$

素因数の和:13272

約数の個数: 36

約数和(自身を含む): 31720500

約数和(自身を除く): 18736480

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13249, 26498, 52996, 66245, 92743, 132490, 185486, 264980, 370972, 463715, 649201, 927430, 1298402, 1854860, 2596804, 3246005, 6492010, 12984020]

約数ペア:

[(1, 12984020), (2, 6492010), (4, 3246005), (5, 2596804), (7, 1854860), (10, 1298402), (14, 927430), (20, 649201), (28, 463715), (35, 370972), (49, 264980), (70, 185486), (98, 132490), (140, 92743), (196, 66245), (245, 52996), (490, 26498), (980, 13249)]