7371980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4787}}^1$

素因数の和:4814

約数の個数: 48

約数和(自身を含む): 19305216

約数和(自身を除く): 11933236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 4787, 9574, 19148, 23935, 33509, 47870, 52657, 67018, 95740, 105314, 134036, 167545, 210628, 263285, 335090, 368599, 526570, 670180, 737198, 1053140, 1474396, 1842995, 3685990, 7371980]

約数ペア:

[(1, 7371980), (2, 3685990), (4, 1842995), (5, 1474396), (7, 1053140), (10, 737198), (11, 670180), (14, 526570), (20, 368599), (22, 335090), (28, 263285), (35, 210628), (44, 167545), (55, 134036), (70, 105314), (77, 95740), (110, 67018), (140, 52657), (154, 47870), (220, 33509), (308, 23935), (385, 19148), (770, 9574), (1540, 4787)]