904027390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 1890782208

約数和(自身を除く): 986754818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 211, 422, 485, 631, 679, 970, 1055, 1262, 1358, 1477, 2110, 2954, 3155, 3395, 4417, 6310, 6790, 7385, 8834, 14770, 20467, 22085, 40934, 44170, 61207, 102335, 122414, 133141, 143269, 204670, 266282, 286538, 306035, 428449, 612070, 665705, 716345, 856898, 931987, 1331410, 1432690, 1863974, 2142245, 4284490, 4659935, 9319870, 12914677, 25829354, 64573385, 90402739, 129146770, 180805478, 452013695, 904027390]

約数ペア:

[(1, 904027390), (2, 452013695), (5, 180805478), (7, 129146770), (10, 90402739), (14, 64573385), (35, 25829354), (70, 12914677), (97, 9319870), (194, 4659935), (211, 4284490), (422, 2142245), (485, 1863974), (631, 1432690), (679, 1331410), (970, 931987), (1055, 856898), (1262, 716345), (1358, 665705), (1477, 612070), (2110, 428449), (2954, 306035), (3155, 286538), (3395, 266282), (4417, 204670), (6310, 143269), (6790, 133141), (7385, 122414), (8834, 102335), (14770, 61207), (20467, 44170), (22085, 40934)]