203412020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{8117}}^1$

素因数の和:8312

約数の個数: 48

約数和(自身を含む): 490976640

約数和(自身を除く): 287564620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 6265, 8117, 12530, 16234, 25060, 32468, 40585, 56819, 81170, 113638, 162340, 227276, 284095, 568190, 1136380, 1452943, 2905886, 5811772, 7264715, 10170601, 14529430, 20341202, 29058860, 40682404, 50853005, 101706010, 203412020]

約数ペア:

[(1, 203412020), (2, 101706010), (4, 50853005), (5, 40682404), (7, 29058860), (10, 20341202), (14, 14529430), (20, 10170601), (28, 7264715), (35, 5811772), (70, 2905886), (140, 1452943), (179, 1136380), (358, 568190), (716, 284095), (895, 227276), (1253, 162340), (1790, 113638), (2506, 81170), (3580, 56819), (5012, 40585), (6265, 32468), (8117, 25060), (12530, 16234)]