211805440

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:353

約数の個数: 216

約数和(自身を含む): 645920352

約数和(自身を除く): 434114912

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 256, 280, 307, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 614, 616, 640, 704, 770, 784, 880, 896, 980, 1078, 1120, 1228, 1232, 1280, 1408, 1535, 1540, 1568, 1760, 1792, 1960, 2149, 2156, 2240, 2456, 2464, 2695, 2816, 3070, 3080, 3136, 3377, 3520, 3920, 4298, 4312, 4480, 4912, 4928, 5390, 6140, 6160, 6272, 6754, 7040, 7840, 8596, 8624, 8960, 9824, 9856, 10745, 10780, 12280, 12320, 12544, 13508, 14080, 15043, 15680, 16885, 17192, 17248, 19648, 19712, 21490, 21560, 23639, 24560, 24640, 27016, 30086, 31360, 33770, 34384, 34496, 39296, 42980, 43120, 47278, 49120, 49280, 54032, 60172, 62720, 67540, 68768, 68992, 75215, 78592, 85960, 86240, 94556, 98240, 98560, 108064, 118195, 120344, 135080, 137536, 137984, 150430, 165473, 171920, 172480, 189112, 196480, 216128, 236390, 240688, 270160, 275072, 300860, 330946, 343840, 344960, 378224, 392960, 432256, 472780, 481376, 540320, 550144, 601720, 661892, 687680, 689920, 756448, 827365, 864512, 945560, 962752, 1080640, 1203440, 1323784, 1375360, 1512896, 1654730, 1891120, 1925504, 2161280, 2406880, 2647568, 2750720, 3025792, 3309460, 3782240, 3851008, 4322560, 4813760, 5295136, 6051584, 6618920, 7564480, 9627520, 10590272, 13237840, 15128960, 19255040, 21180544, 26475680, 30257920, 42361088, 52951360, 105902720, 211805440]

約数ペア:

[(1, 211805440), (2, 105902720), (4, 52951360), (5, 42361088), (7, 30257920), (8, 26475680), (10, 21180544), (11, 19255040), (14, 15128960), (16, 13237840), (20, 10590272), (22, 9627520), (28, 7564480), (32, 6618920), (35, 6051584), (40, 5295136), (44, 4813760), (49, 4322560), (55, 3851008), (56, 3782240), (64, 3309460), (70, 3025792), (77, 2750720), (80, 2647568), (88, 2406880), (98, 2161280), (110, 1925504), (112, 1891120), (128, 1654730), (140, 1512896), (154, 1375360), (160, 1323784), (176, 1203440), (196, 1080640), (220, 962752), (224, 945560), (245, 864512), (256, 827365), (280, 756448), (307, 689920), (308, 687680), (320, 661892), (352, 601720), (385, 550144), (392, 540320), (440, 481376), (448, 472780), (490, 432256), (539, 392960), (560, 378224), (614, 344960), (616, 343840), (640, 330946), (704, 300860), (770, 275072), (784, 270160), (880, 240688), (896, 236390), (980, 216128), (1078, 196480), (1120, 189112), (1228, 172480), (1232, 171920), (1280, 165473), (1408, 150430), (1535, 137984), (1540, 137536), (1568, 135080), (1760, 120344), (1792, 118195), (1960, 108064), (2149, 98560), (2156, 98240), (2240, 94556), (2456, 86240), (2464, 85960), (2695, 78592), (2816, 75215), (3070, 68992), (3080, 68768), (3136, 67540), (3377, 62720), (3520, 60172), (3920, 54032), (4298, 49280), (4312, 49120), (4480, 47278), (4912, 43120), (4928, 42980), (5390, 39296), (6140, 34496), (6160, 34384), (6272, 33770), (6754, 31360), (7040, 30086), (7840, 27016), (8596, 24640), (8624, 24560), (8960, 23639), (9824, 21560), (9856, 21490), (10745, 19712), (10780, 19648), (12280, 17248), (12320, 17192), (12544, 16885), (13508, 15680), (14080, 15043)]