2009093900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{62981}}^1$

素因数の和:63035

約数の個数: 72

約数和(自身を含む): 4920153840

約数和(自身を除く): 2911059940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2900, 3190, 6380, 7975, 15950, 31900, 62981, 125962, 251924, 314905, 629810, 692791, 1259620, 1385582, 1574525, 1826449, 2771164, 3149050, 3463955, 3652898, 6298100, 6927910, 7305796, 9132245, 13855820, 17319775, 18264490, 20090939, 34639550, 36528980, 40181878, 45661225, 69279100, 80363756, 91322450, 100454695, 182644900, 200909390, 401818780, 502273475, 1004546950, 2009093900]

約数ペア:

[(1, 2009093900), (2, 1004546950), (4, 502273475), (5, 401818780), (10, 200909390), (11, 182644900), (20, 100454695), (22, 91322450), (25, 80363756), (29, 69279100), (44, 45661225), (50, 40181878), (55, 36528980), (58, 34639550), (100, 20090939), (110, 18264490), (116, 17319775), (145, 13855820), (220, 9132245), (275, 7305796), (290, 6927910), (319, 6298100), (550, 3652898), (580, 3463955), (638, 3149050), (725, 2771164), (1100, 1826449), (1276, 1574525), (1450, 1385582), (1595, 1259620), (2900, 692791), (3190, 629810), (6380, 314905), (7975, 251924), (15950, 125962), (31900, 62981)]