2012307800

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{113051}}^1$

素因数の和:113156

約数の個数: 48

約数和(自身を含む): 4731226200

約数和(自身を除く): 2718918400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1780, 2225, 3560, 4450, 8900, 17800, 113051, 226102, 452204, 565255, 904408, 1130510, 2261020, 2826275, 4522040, 5652550, 10061539, 11305100, 20123078, 22610200, 40246156, 50307695, 80492312, 100615390, 201230780, 251538475, 402461560, 503076950, 1006153900, 2012307800]

約数ペア:

[(1, 2012307800), (2, 1006153900), (4, 503076950), (5, 402461560), (8, 251538475), (10, 201230780), (20, 100615390), (25, 80492312), (40, 50307695), (50, 40246156), (89, 22610200), (100, 20123078), (178, 11305100), (200, 10061539), (356, 5652550), (445, 4522040), (712, 2826275), (890, 2261020), (1780, 1130510), (2225, 904408), (3560, 565255), (4450, 452204), (8900, 226102), (17800, 113051)]