51121000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 140025600

約数和(自身を除く): 88904600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 67, 70, 100, 109, 125, 134, 140, 175, 200, 218, 250, 268, 280, 335, 350, 436, 469, 500, 536, 545, 670, 700, 763, 872, 875, 938, 1000, 1090, 1340, 1400, 1526, 1675, 1750, 1876, 2180, 2345, 2680, 2725, 3052, 3350, 3500, 3752, 3815, 4360, 4690, 5450, 6104, 6700, 7000, 7303, 7630, 8375, 9380, 10900, 11725, 13400, 13625, 14606, 15260, 16750, 18760, 19075, 21800, 23450, 27250, 29212, 30520, 33500, 36515, 38150, 46900, 51121, 54500, 58424, 58625, 67000, 73030, 76300, 93800, 95375, 102242, 109000, 117250, 146060, 152600, 182575, 190750, 204484, 234500, 255605, 292120, 365150, 381500, 408968, 469000, 511210, 730300, 763000, 912875, 1022420, 1278025, 1460600, 1825750, 2044840, 2556050, 3651500, 5112100, 6390125, 7303000, 10224200, 12780250, 25560500, 51121000]

約数ペア:

[(1, 51121000), (2, 25560500), (4, 12780250), (5, 10224200), (7, 7303000), (8, 6390125), (10, 5112100), (14, 3651500), (20, 2556050), (25, 2044840), (28, 1825750), (35, 1460600), (40, 1278025), (50, 1022420), (56, 912875), (67, 763000), (70, 730300), (100, 511210), (109, 469000), (125, 408968), (134, 381500), (140, 365150), (175, 292120), (200, 255605), (218, 234500), (250, 204484), (268, 190750), (280, 182575), (335, 152600), (350, 146060), (436, 117250), (469, 109000), (500, 102242), (536, 95375), (545, 93800), (670, 76300), (700, 73030), (763, 67000), (872, 58625), (875, 58424), (938, 54500), (1000, 51121), (1090, 46900), (1340, 38150), (1400, 36515), (1526, 33500), (1675, 30520), (1750, 29212), (1876, 27250), (2180, 23450), (2345, 21800), (2680, 19075), (2725, 18760), (3052, 16750), (3350, 15260), (3500, 14606), (3752, 13625), (3815, 13400), (4360, 11725), (4690, 10900), (5450, 9380), (6104, 8375), (6700, 7630), (7000, 7303)]