2049187840

素因数分解:

$2^{13}\times 5^1\times 7^2\times {\mathrm{1021}}^1$

素因数の和:1066

約数の個数: 168

約数和(自身を含む): 5726251692

約数和(自身を除く): 3677063852

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1021, 1024, 1120, 1280, 1568, 1792, 1960, 2042, 2048, 2240, 2560, 3136, 3584, 3920, 4084, 4096, 4480, 5105, 5120, 6272, 7147, 7168, 7840, 8168, 8192, 8960, 10210, 10240, 12544, 14294, 14336, 15680, 16336, 17920, 20420, 20480, 25088, 28588, 28672, 31360, 32672, 35735, 35840, 40840, 40960, 50029, 50176, 57176, 57344, 62720, 65344, 71470, 71680, 81680, 100058, 100352, 114352, 125440, 130688, 142940, 143360, 163360, 200116, 200704, 228704, 250145, 250880, 261376, 285880, 286720, 326720, 400232, 401408, 457408, 500290, 501760, 522752, 571760, 653440, 800464, 914816, 1000580, 1003520, 1045504, 1143520, 1306880, 1600928, 1829632, 2001160, 2007040, 2091008, 2287040, 2613760, 3201856, 3659264, 4002320, 4182016, 4574080, 5227520, 6403712, 7318528, 8004640, 8364032, 9148160, 10455040, 12807424, 14637056, 16009280, 18296320, 20910080, 25614848, 29274112, 32018560, 36592640, 41820160, 51229696, 58548224, 64037120, 73185280, 102459392, 128074240, 146370560, 204918784, 256148480, 292741120, 409837568, 512296960, 1024593920, 2049187840]

約数ペア:

[(1, 2049187840), (2, 1024593920), (4, 512296960), (5, 409837568), (7, 292741120), (8, 256148480), (10, 204918784), (14, 146370560), (16, 128074240), (20, 102459392), (28, 73185280), (32, 64037120), (35, 58548224), (40, 51229696), (49, 41820160), (56, 36592640), (64, 32018560), (70, 29274112), (80, 25614848), (98, 20910080), (112, 18296320), (128, 16009280), (140, 14637056), (160, 12807424), (196, 10455040), (224, 9148160), (245, 8364032), (256, 8004640), (280, 7318528), (320, 6403712), (392, 5227520), (448, 4574080), (490, 4182016), (512, 4002320), (560, 3659264), (640, 3201856), (784, 2613760), (896, 2287040), (980, 2091008), (1021, 2007040), (1024, 2001160), (1120, 1829632), (1280, 1600928), (1568, 1306880), (1792, 1143520), (1960, 1045504), (2042, 1003520), (2048, 1000580), (2240, 914816), (2560, 800464), (3136, 653440), (3584, 571760), (3920, 522752), (4084, 501760), (4096, 500290), (4480, 457408), (5105, 401408), (5120, 400232), (6272, 326720), (7147, 286720), (7168, 285880), (7840, 261376), (8168, 250880), (8192, 250145), (8960, 228704), (10210, 200704), (10240, 200116), (12544, 163360), (14294, 143360), (14336, 142940), (15680, 130688), (16336, 125440), (17920, 114352), (20420, 100352), (20480, 100058), (25088, 81680), (28588, 71680), (28672, 71470), (31360, 65344), (32672, 62720), (35735, 57344), (35840, 57176), (40840, 50176), (40960, 50029)]