51486820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:593

約数の個数: 96

約数和(自身を含む): 137088000

約数和(自身を除く): 85601180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 67, 70, 77, 110, 134, 140, 154, 220, 268, 308, 335, 385, 469, 499, 670, 737, 770, 938, 998, 1340, 1474, 1540, 1876, 1996, 2345, 2495, 2948, 3493, 3685, 4690, 4990, 5159, 5489, 6986, 7370, 9380, 9980, 10318, 10978, 13972, 14740, 17465, 20636, 21956, 25795, 27445, 33433, 34930, 38423, 51590, 54890, 66866, 69860, 76846, 103180, 109780, 133732, 153692, 167165, 192115, 234031, 334330, 367763, 384230, 468062, 668660, 735526, 768460, 936124, 1170155, 1471052, 1838815, 2340310, 2574341, 3677630, 4680620, 5148682, 7355260, 10297364, 12871705, 25743410, 51486820]

約数ペア:

[(1, 51486820), (2, 25743410), (4, 12871705), (5, 10297364), (7, 7355260), (10, 5148682), (11, 4680620), (14, 3677630), (20, 2574341), (22, 2340310), (28, 1838815), (35, 1471052), (44, 1170155), (55, 936124), (67, 768460), (70, 735526), (77, 668660), (110, 468062), (134, 384230), (140, 367763), (154, 334330), (220, 234031), (268, 192115), (308, 167165), (335, 153692), (385, 133732), (469, 109780), (499, 103180), (670, 76846), (737, 69860), (770, 66866), (938, 54890), (998, 51590), (1340, 38423), (1474, 34930), (1540, 33433), (1876, 27445), (1996, 25795), (2345, 21956), (2495, 20636), (2948, 17465), (3493, 14740), (3685, 13972), (4690, 10978), (4990, 10318), (5159, 9980), (5489, 9380), (6986, 7370)]