2889700

素因数分解:

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

素因数の和:133

約数の個数: 72

約数和(自身を含む): 7124544

約数和(自身を除く): 4234844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 71, 74, 100, 110, 142, 148, 185, 220, 275, 284, 355, 370, 407, 550, 710, 740, 781, 814, 925, 1100, 1420, 1562, 1628, 1775, 1850, 2035, 2627, 3124, 3550, 3700, 3905, 4070, 5254, 7100, 7810, 8140, 10175, 10508, 13135, 15620, 19525, 20350, 26270, 28897, 39050, 40700, 52540, 57794, 65675, 78100, 115588, 131350, 144485, 262700, 288970, 577940, 722425, 1444850, 2889700]

約数ペア:

[(1, 2889700), (2, 1444850), (4, 722425), (5, 577940), (10, 288970), (11, 262700), (20, 144485), (22, 131350), (25, 115588), (37, 78100), (44, 65675), (50, 57794), (55, 52540), (71, 40700), (74, 39050), (100, 28897), (110, 26270), (142, 20350), (148, 19525), (185, 15620), (220, 13135), (275, 10508), (284, 10175), (355, 8140), (370, 7810), (407, 7100), (550, 5254), (710, 4070), (740, 3905), (781, 3700), (814, 3550), (925, 3124), (1100, 2627), (1420, 2035), (1562, 1850), (1628, 1775)]