55253140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1499}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 123480000

約数和(自身を除く): 68226860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1499, 1843, 1940, 2998, 3686, 5996, 7372, 7495, 9215, 14990, 18430, 28481, 29980, 36860, 56962, 113924, 142405, 145403, 284810, 290806, 569620, 581612, 727015, 1454030, 2762657, 2908060, 5525314, 11050628, 13813285, 27626570, 55253140]

約数ペア:

[(1, 55253140), (2, 27626570), (4, 13813285), (5, 11050628), (10, 5525314), (19, 2908060), (20, 2762657), (38, 1454030), (76, 727015), (95, 581612), (97, 569620), (190, 290806), (194, 284810), (380, 145403), (388, 142405), (485, 113924), (970, 56962), (1499, 36860), (1843, 29980), (1940, 28481), (2998, 18430), (3686, 14990), (5996, 9215), (7372, 7495)]