978447190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{541}}^1\times {\mathrm{3691}}^1$

素因数の和:4253

約数の個数: 48

約数和(自身を含む): 2053091664

約数和(自身を除く): 1074644474

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 541, 1082, 2705, 3691, 3787, 5410, 7382, 7574, 18455, 18935, 25837, 26509, 36910, 37870, 51674, 53018, 129185, 132545, 180859, 258370, 265090, 361718, 904295, 1808590, 1996831, 3993662, 9984155, 13977817, 19968310, 27955634, 69889085, 97844719, 139778170, 195689438, 489223595, 978447190]

約数ペア:

[(1, 978447190), (2, 489223595), (5, 195689438), (7, 139778170), (10, 97844719), (14, 69889085), (35, 27955634), (49, 19968310), (70, 13977817), (98, 9984155), (245, 3993662), (490, 1996831), (541, 1808590), (1082, 904295), (2705, 361718), (3691, 265090), (3787, 258370), (5410, 180859), (7382, 132545), (7574, 129185), (18455, 53018), (18935, 51674), (25837, 37870), (26509, 36910)]