68745610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2206

約数の個数: 32

約数和(自身を含む): 131040000

約数和(自身を除く): 62294390

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 905, 1810, 1999, 3439, 3998, 6878, 9995, 17195, 19990, 34390, 37981, 75962, 189905, 361819, 379810, 723638, 1809095, 3618190, 6874561, 13749122, 34372805, 68745610]

約数ペア:

[(1, 68745610), (2, 34372805), (5, 13749122), (10, 6874561), (19, 3618190), (38, 1809095), (95, 723638), (181, 379810), (190, 361819), (362, 189905), (905, 75962), (1810, 37981), (1999, 34390), (3439, 19990), (3998, 17195), (6878, 9995)]