42020440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1949}}^1$

素因数の和:1985

約数の個数: 96

約数和(自身を含む): 120042000

約数和(自身を除く): 78021560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1949, 1960, 2156, 2695, 3080, 3898, 4312, 5390, 7796, 9745, 10780, 13643, 15592, 19490, 21439, 21560, 27286, 38980, 42878, 54572, 68215, 77960, 85756, 95501, 107195, 109144, 136430, 150073, 171512, 191002, 214390, 272860, 300146, 382004, 428780, 477505, 545720, 600292, 750365, 764008, 857560, 955010, 1050511, 1200584, 1500730, 1910020, 2101022, 3001460, 3820040, 4202044, 5252555, 6002920, 8404088, 10505110, 21010220, 42020440]

約数ペア:

[(1, 42020440), (2, 21010220), (4, 10505110), (5, 8404088), (7, 6002920), (8, 5252555), (10, 4202044), (11, 3820040), (14, 3001460), (20, 2101022), (22, 1910020), (28, 1500730), (35, 1200584), (40, 1050511), (44, 955010), (49, 857560), (55, 764008), (56, 750365), (70, 600292), (77, 545720), (88, 477505), (98, 428780), (110, 382004), (140, 300146), (154, 272860), (196, 214390), (220, 191002), (245, 171512), (280, 150073), (308, 136430), (385, 109144), (392, 107195), (440, 95501), (490, 85756), (539, 77960), (616, 68215), (770, 54572), (980, 42878), (1078, 38980), (1540, 27286), (1949, 21560), (1960, 21439), (2156, 19490), (2695, 15592), (3080, 13643), (3898, 10780), (4312, 9745), (5390, 7796)]