1397504080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2495543}}^1$

素因数の和:2495563

約数の個数: 40

約数和(自身を含む): 3713369472

約数和(自身を除く): 2315865392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2495543, 4991086, 9982172, 12477715, 17468801, 19964344, 24955430, 34937602, 39928688, 49910860, 69875204, 87344005, 99821720, 139750408, 174688010, 199643440, 279500816, 349376020, 698752040, 1397504080]

約数ペア:

[(1, 1397504080), (2, 698752040), (4, 349376020), (5, 279500816), (7, 199643440), (8, 174688010), (10, 139750408), (14, 99821720), (16, 87344005), (20, 69875204), (28, 49910860), (35, 39928688), (40, 34937602), (56, 24955430), (70, 19964344), (80, 17468801), (112, 12477715), (140, 9982172), (280, 4991086), (560, 2495543)]