209531840

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 224

約数和(自身を含む): 614476800

約数和(自身を除く): 404944960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 83, 92, 98, 112, 115, 140, 160, 161, 166, 184, 196, 224, 230, 245, 280, 320, 322, 332, 343, 368, 392, 415, 448, 460, 490, 560, 581, 644, 664, 686, 736, 784, 805, 830, 920, 980, 1120, 1127, 1162, 1288, 1328, 1372, 1472, 1568, 1610, 1660, 1715, 1840, 1909, 1960, 2240, 2254, 2324, 2576, 2656, 2744, 2905, 3136, 3220, 3320, 3430, 3680, 3818, 3920, 4067, 4508, 4648, 5152, 5312, 5488, 5635, 5810, 6440, 6640, 6860, 7360, 7636, 7840, 7889, 8134, 9016, 9296, 9545, 10304, 10976, 11270, 11620, 12880, 13280, 13363, 13720, 15272, 15680, 15778, 16268, 18032, 18592, 19090, 20335, 21952, 22540, 23240, 25760, 26560, 26726, 27440, 28469, 30544, 31556, 32536, 36064, 37184, 38180, 39445, 40670, 45080, 46480, 51520, 53452, 54880, 56938, 61088, 63112, 65072, 66815, 72128, 76360, 78890, 81340, 90160, 92960, 93541, 106904, 109760, 113876, 122176, 126224, 130144, 133630, 142345, 152720, 157780, 162680, 180320, 185920, 187082, 213808, 227752, 252448, 260288, 267260, 284690, 305440, 315560, 325360, 360640, 374164, 427616, 455504, 467705, 504896, 534520, 569380, 610880, 631120, 650720, 654787, 748328, 855232, 911008, 935410, 1069040, 1138760, 1262240, 1301440, 1309574, 1496656, 1822016, 1870820, 2138080, 2277520, 2524480, 2619148, 2993312, 3273935, 3741640, 4276160, 4555040, 5238296, 5986624, 6547870, 7483280, 9110080, 10476592, 13095740, 14966560, 20953184, 26191480, 29933120, 41906368, 52382960, 104765920, 209531840]

約数ペア:

[(1, 209531840), (2, 104765920), (4, 52382960), (5, 41906368), (7, 29933120), (8, 26191480), (10, 20953184), (14, 14966560), (16, 13095740), (20, 10476592), (23, 9110080), (28, 7483280), (32, 6547870), (35, 5986624), (40, 5238296), (46, 4555040), (49, 4276160), (56, 3741640), (64, 3273935), (70, 2993312), (80, 2619148), (83, 2524480), (92, 2277520), (98, 2138080), (112, 1870820), (115, 1822016), (140, 1496656), (160, 1309574), (161, 1301440), (166, 1262240), (184, 1138760), (196, 1069040), (224, 935410), (230, 911008), (245, 855232), (280, 748328), (320, 654787), (322, 650720), (332, 631120), (343, 610880), (368, 569380), (392, 534520), (415, 504896), (448, 467705), (460, 455504), (490, 427616), (560, 374164), (581, 360640), (644, 325360), (664, 315560), (686, 305440), (736, 284690), (784, 267260), (805, 260288), (830, 252448), (920, 227752), (980, 213808), (1120, 187082), (1127, 185920), (1162, 180320), (1288, 162680), (1328, 157780), (1372, 152720), (1472, 142345), (1568, 133630), (1610, 130144), (1660, 126224), (1715, 122176), (1840, 113876), (1909, 109760), (1960, 106904), (2240, 93541), (2254, 92960), (2324, 90160), (2576, 81340), (2656, 78890), (2744, 76360), (2905, 72128), (3136, 66815), (3220, 65072), (3320, 63112), (3430, 61088), (3680, 56938), (3818, 54880), (3920, 53452), (4067, 51520), (4508, 46480), (4648, 45080), (5152, 40670), (5312, 39445), (5488, 38180), (5635, 37184), (5810, 36064), (6440, 32536), (6640, 31556), (6860, 30544), (7360, 28469), (7636, 27440), (7840, 26726), (7889, 26560), (8134, 25760), (9016, 23240), (9296, 22540), (9545, 21952), (10304, 20335), (10976, 19090), (11270, 18592), (11620, 18032), (12880, 16268), (13280, 15778), (13363, 15680), (13720, 15272)]