577940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 1378944

約数和(自身を除く): 801004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 71, 74, 110, 142, 148, 185, 220, 284, 355, 370, 407, 710, 740, 781, 814, 1420, 1562, 1628, 2035, 2627, 3124, 3905, 4070, 5254, 7810, 8140, 10508, 13135, 15620, 26270, 28897, 52540, 57794, 115588, 144485, 288970, 577940]

約数ペア:

[(1, 577940), (2, 288970), (4, 144485), (5, 115588), (10, 57794), (11, 52540), (20, 28897), (22, 26270), (37, 15620), (44, 13135), (55, 10508), (71, 8140), (74, 7810), (110, 5254), (142, 4070), (148, 3905), (185, 3124), (220, 2627), (284, 2035), (355, 1628), (370, 1562), (407, 1420), (710, 814), (740, 781)]