2751980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1787}}^1$

素因数の和:1814

約数の個数: 48

約数和(自身を含む): 7209216

約数和(自身を除く): 4457236

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, 1787, 3574, 7148, 8935, 12509, 17870, 19657, 25018, 35740, 39314, 50036, 62545, 78628, 98285, 125090, 137599, 196570, 250180, 275198, 393140, 550396, 687995, 1375990, 2751980]

約数ペア:

[(1, 2751980), (2, 1375990), (4, 687995), (5, 550396), (7, 393140), (10, 275198), (11, 250180), (14, 196570), (20, 137599), (22, 125090), (28, 98285), (35, 78628), (44, 62545), (55, 50036), (70, 39314), (77, 35740), (110, 25018), (140, 19657), (154, 17870), (220, 12509), (308, 8935), (385, 7148), (770, 3574), (1540, 1787)]