301511980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{195787}}^1$

素因数の和:195814

約数の個数: 48

約数和(自身を含む): 789417216

約数和(自身を除く): 487905236

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, 195787, 391574, 783148, 978935, 1370509, 1957870, 2153657, 2741018, 3915740, 4307314, 5482036, 6852545, 8614628, 10768285, 13705090, 15075599, 21536570, 27410180, 30151198, 43073140, 60302396, 75377995, 150755990, 301511980]

約数ペア:

[(1, 301511980), (2, 150755990), (4, 75377995), (5, 60302396), (7, 43073140), (10, 30151198), (11, 27410180), (14, 21536570), (20, 15075599), (22, 13705090), (28, 10768285), (35, 8614628), (44, 6852545), (55, 5482036), (70, 4307314), (77, 3915740), (110, 2741018), (140, 2153657), (154, 1957870), (220, 1370509), (308, 978935), (385, 783148), (770, 391574), (1540, 195787)]