19994300

素因数分解:

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

素因数の和:1310

約数の個数: 36

約数和(自身を含む): 43669080

約数和(自身を除く): 23674780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 179, 358, 716, 895, 1117, 1790, 2234, 3580, 4468, 4475, 5585, 8950, 11170, 17900, 22340, 27925, 55850, 111700, 199943, 399886, 799772, 999715, 1999430, 3998860, 4998575, 9997150, 19994300]

約数ペア:

[(1, 19994300), (2, 9997150), (4, 4998575), (5, 3998860), (10, 1999430), (20, 999715), (25, 799772), (50, 399886), (100, 199943), (179, 111700), (358, 55850), (716, 27925), (895, 22340), (1117, 17900), (1790, 11170), (2234, 8950), (3580, 5585), (4468, 4475)]