208512640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 594772200

約数和(自身を除く): 386259560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 64, 70, 80, 98, 109, 112, 122, 128, 140, 160, 196, 218, 224, 244, 245, 280, 305, 320, 392, 427, 436, 448, 488, 490, 545, 560, 610, 640, 763, 784, 854, 872, 896, 976, 980, 1090, 1120, 1220, 1526, 1568, 1708, 1744, 1952, 1960, 2135, 2180, 2240, 2440, 2989, 3052, 3136, 3416, 3488, 3815, 3904, 3920, 4270, 4360, 4480, 4880, 5341, 5978, 6104, 6272, 6649, 6832, 6976, 7630, 7808, 7840, 8540, 8720, 9760, 10682, 11956, 12208, 13298, 13664, 13952, 14945, 15260, 15680, 17080, 17440, 19520, 21364, 23912, 24416, 26596, 26705, 27328, 29890, 30520, 31360, 33245, 34160, 34880, 39040, 42728, 46543, 47824, 48832, 53192, 53410, 54656, 59780, 61040, 66490, 68320, 69760, 85456, 93086, 95648, 97664, 106384, 106820, 119560, 122080, 132980, 136640, 170912, 186172, 191296, 212768, 213640, 232715, 239120, 244160, 265960, 273280, 325801, 341824, 372344, 382592, 425536, 427280, 465430, 478240, 488320, 531920, 651602, 683648, 744688, 851072, 854560, 930860, 956480, 1063840, 1303204, 1489376, 1629005, 1709120, 1861720, 1912960, 2127680, 2606408, 2978752, 3258010, 3418240, 3723440, 4255360, 5212816, 5957504, 6516020, 7446880, 10425632, 13032040, 14893760, 20851264, 26064080, 29787520, 41702528, 52128160, 104256320, 208512640]

約数ペア:

[(1, 208512640), (2, 104256320), (4, 52128160), (5, 41702528), (7, 29787520), (8, 26064080), (10, 20851264), (14, 14893760), (16, 13032040), (20, 10425632), (28, 7446880), (32, 6516020), (35, 5957504), (40, 5212816), (49, 4255360), (56, 3723440), (61, 3418240), (64, 3258010), (70, 2978752), (80, 2606408), (98, 2127680), (109, 1912960), (112, 1861720), (122, 1709120), (128, 1629005), (140, 1489376), (160, 1303204), (196, 1063840), (218, 956480), (224, 930860), (244, 854560), (245, 851072), (280, 744688), (305, 683648), (320, 651602), (392, 531920), (427, 488320), (436, 478240), (448, 465430), (488, 427280), (490, 425536), (545, 382592), (560, 372344), (610, 341824), (640, 325801), (763, 273280), (784, 265960), (854, 244160), (872, 239120), (896, 232715), (976, 213640), (980, 212768), (1090, 191296), (1120, 186172), (1220, 170912), (1526, 136640), (1568, 132980), (1708, 122080), (1744, 119560), (1952, 106820), (1960, 106384), (2135, 97664), (2180, 95648), (2240, 93086), (2440, 85456), (2989, 69760), (3052, 68320), (3136, 66490), (3416, 61040), (3488, 59780), (3815, 54656), (3904, 53410), (3920, 53192), (4270, 48832), (4360, 47824), (4480, 46543), (4880, 42728), (5341, 39040), (5978, 34880), (6104, 34160), (6272, 33245), (6649, 31360), (6832, 30520), (6976, 29890), (7630, 27328), (7808, 26705), (7840, 26596), (8540, 24416), (8720, 23912), (9760, 21364), (10682, 19520), (11956, 17440), (12208, 17080), (13298, 15680), (13664, 15260), (13952, 14945)]