41998880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:527

約数の個数: 144

約数和(自身を含む): 126173376

約数和(自身を除く): 84174496

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 487, 490, 539, 560, 616, 770, 784, 880, 974, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1948, 1960, 2156, 2435, 2464, 2695, 3080, 3409, 3896, 3920, 4312, 4870, 5357, 5390, 6160, 6818, 7792, 7840, 8624, 9740, 10714, 10780, 12320, 13636, 15584, 17045, 17248, 19480, 21428, 21560, 23863, 26785, 27272, 34090, 37499, 38960, 42856, 43120, 47726, 53570, 54544, 68180, 74998, 77920, 85712, 86240, 95452, 107140, 109088, 119315, 136360, 149996, 171424, 187495, 190904, 214280, 238630, 262493, 272720, 299992, 374990, 381808, 428560, 477260, 524986, 545440, 599984, 749980, 763616, 857120, 954520, 1049972, 1199968, 1312465, 1499960, 1909040, 2099944, 2624930, 2999920, 3818080, 4199888, 5249860, 5999840, 8399776, 10499720, 20999440, 41998880]

約数ペア:

[(1, 41998880), (2, 20999440), (4, 10499720), (5, 8399776), (7, 5999840), (8, 5249860), (10, 4199888), (11, 3818080), (14, 2999920), (16, 2624930), (20, 2099944), (22, 1909040), (28, 1499960), (32, 1312465), (35, 1199968), (40, 1049972), (44, 954520), (49, 857120), (55, 763616), (56, 749980), (70, 599984), (77, 545440), (80, 524986), (88, 477260), (98, 428560), (110, 381808), (112, 374990), (140, 299992), (154, 272720), (160, 262493), (176, 238630), (196, 214280), (220, 190904), (224, 187495), (245, 171424), (280, 149996), (308, 136360), (352, 119315), (385, 109088), (392, 107140), (440, 95452), (487, 86240), (490, 85712), (539, 77920), (560, 74998), (616, 68180), (770, 54544), (784, 53570), (880, 47726), (974, 43120), (980, 42856), (1078, 38960), (1120, 37499), (1232, 34090), (1540, 27272), (1568, 26785), (1760, 23863), (1948, 21560), (1960, 21428), (2156, 19480), (2435, 17248), (2464, 17045), (2695, 15584), (3080, 13636), (3409, 12320), (3896, 10780), (3920, 10714), (4312, 9740), (4870, 8624), (5357, 7840), (5390, 7792), (6160, 6818)]