31192490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 69120000

約数和(自身を除く): 37927510

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 47, 70, 94, 95, 133, 190, 235, 266, 329, 470, 499, 658, 665, 893, 998, 1330, 1645, 1786, 2495, 3290, 3493, 4465, 4990, 6251, 6986, 8930, 9481, 12502, 17465, 18962, 23453, 31255, 34930, 46906, 47405, 62510, 66367, 94810, 117265, 132734, 164171, 234530, 328342, 331835, 445607, 663670, 820855, 891214, 1641710, 2228035, 3119249, 4456070, 6238498, 15596245, 31192490]

約数ペア:

[(1, 31192490), (2, 15596245), (5, 6238498), (7, 4456070), (10, 3119249), (14, 2228035), (19, 1641710), (35, 891214), (38, 820855), (47, 663670), (70, 445607), (94, 331835), (95, 328342), (133, 234530), (190, 164171), (235, 132734), (266, 117265), (329, 94810), (470, 66367), (499, 62510), (658, 47405), (665, 46906), (893, 34930), (998, 31255), (1330, 23453), (1645, 18962), (1786, 17465), (2495, 12502), (3290, 9481), (3493, 8930), (4465, 6986), (4990, 6251)]