31440850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:380

約数の個数: 72

約数和(自身を含む): 69909588

約数和(自身を除く): 38468738

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 82, 98, 175, 205, 245, 287, 313, 350, 410, 490, 574, 626, 1025, 1225, 1435, 1565, 2009, 2050, 2191, 2450, 2870, 3130, 4018, 4382, 7175, 7825, 10045, 10955, 12833, 14350, 15337, 15650, 20090, 21910, 25666, 30674, 50225, 54775, 64165, 76685, 89831, 100450, 109550, 128330, 153370, 179662, 320825, 383425, 449155, 628817, 641650, 766850, 898310, 1257634, 2245775, 3144085, 4491550, 6288170, 15720425, 31440850]

約数ペア:

[(1, 31440850), (2, 15720425), (5, 6288170), (7, 4491550), (10, 3144085), (14, 2245775), (25, 1257634), (35, 898310), (41, 766850), (49, 641650), (50, 628817), (70, 449155), (82, 383425), (98, 320825), (175, 179662), (205, 153370), (245, 128330), (287, 109550), (313, 100450), (350, 89831), (410, 76685), (490, 64165), (574, 54775), (626, 50225), (1025, 30674), (1225, 25666), (1435, 21910), (1565, 20090), (2009, 15650), (2050, 15337), (2191, 14350), (2450, 12833), (2870, 10955), (3130, 10045), (4018, 7825), (4382, 7175)]