27992020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1117}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 67616640

約数和(自身を除く): 39624620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1117, 1253, 1790, 2234, 2506, 3580, 4468, 5012, 5585, 6265, 7819, 11170, 12530, 15638, 22340, 25060, 31276, 39095, 78190, 156380, 199943, 399886, 799772, 999715, 1399601, 1999430, 2799202, 3998860, 5598404, 6998005, 13996010, 27992020]

約数ペア:

[(1, 27992020), (2, 13996010), (4, 6998005), (5, 5598404), (7, 3998860), (10, 2799202), (14, 1999430), (20, 1399601), (28, 999715), (35, 799772), (70, 399886), (140, 199943), (179, 156380), (358, 78190), (716, 39095), (895, 31276), (1117, 25060), (1253, 22340), (1790, 15638), (2234, 12530), (2506, 11170), (3580, 7819), (4468, 6265), (5012, 5585)]