209778800

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 240

約数和(自身を含む): 645792000

約数和(自身を除く): 436013200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 80, 88, 98, 100, 110, 112, 139, 140, 154, 175, 176, 196, 200, 220, 245, 275, 278, 280, 308, 343, 350, 385, 392, 400, 440, 490, 539, 550, 556, 560, 616, 686, 695, 700, 770, 784, 880, 973, 980, 1078, 1100, 1112, 1225, 1232, 1372, 1390, 1400, 1529, 1540, 1715, 1925, 1946, 1960, 2156, 2200, 2224, 2450, 2695, 2744, 2780, 2800, 3058, 3080, 3430, 3475, 3773, 3850, 3892, 3920, 4312, 4400, 4865, 4900, 5390, 5488, 5560, 6116, 6160, 6811, 6860, 6950, 7546, 7645, 7700, 7784, 8575, 8624, 9730, 9800, 10703, 10780, 11120, 12232, 13475, 13622, 13720, 13900, 15092, 15290, 15400, 15568, 17150, 18865, 19460, 19600, 21406, 21560, 24325, 24464, 26950, 27244, 27440, 27800, 30184, 30580, 30800, 34055, 34300, 37730, 38225, 38920, 42812, 43120, 47677, 48650, 53515, 53900, 54488, 55600, 60368, 61160, 68110, 68600, 74921, 75460, 76450, 77840, 85624, 94325, 95354, 97300, 107030, 107800, 108976, 122320, 136220, 137200, 149842, 150920, 152900, 170275, 171248, 188650, 190708, 194600, 214060, 215600, 238385, 267575, 272440, 299684, 301840, 305800, 340550, 374605, 377300, 381416, 389200, 428120, 476770, 524447, 535150, 544880, 599368, 611600, 681100, 749210, 754600, 762832, 856240, 953540, 1048894, 1070300, 1191925, 1198736, 1362200, 1498420, 1509200, 1873025, 1907080, 2097788, 2140600, 2383850, 2622235, 2724400, 2996840, 3746050, 3814160, 4195576, 4281200, 4767700, 5244470, 5993680, 7492100, 8391152, 9535400, 10488940, 13111175, 14984200, 19070800, 20977880, 26222350, 29968400, 41955760, 52444700, 104889400, 209778800]

約数ペア:

[(1, 209778800), (2, 104889400), (4, 52444700), (5, 41955760), (7, 29968400), (8, 26222350), (10, 20977880), (11, 19070800), (14, 14984200), (16, 13111175), (20, 10488940), (22, 9535400), (25, 8391152), (28, 7492100), (35, 5993680), (40, 5244470), (44, 4767700), (49, 4281200), (50, 4195576), (55, 3814160), (56, 3746050), (70, 2996840), (77, 2724400), (80, 2622235), (88, 2383850), (98, 2140600), (100, 2097788), (110, 1907080), (112, 1873025), (139, 1509200), (140, 1498420), (154, 1362200), (175, 1198736), (176, 1191925), (196, 1070300), (200, 1048894), (220, 953540), (245, 856240), (275, 762832), (278, 754600), (280, 749210), (308, 681100), (343, 611600), (350, 599368), (385, 544880), (392, 535150), (400, 524447), (440, 476770), (490, 428120), (539, 389200), (550, 381416), (556, 377300), (560, 374605), (616, 340550), (686, 305800), (695, 301840), (700, 299684), (770, 272440), (784, 267575), (880, 238385), (973, 215600), (980, 214060), (1078, 194600), (1100, 190708), (1112, 188650), (1225, 171248), (1232, 170275), (1372, 152900), (1390, 150920), (1400, 149842), (1529, 137200), (1540, 136220), (1715, 122320), (1925, 108976), (1946, 107800), (1960, 107030), (2156, 97300), (2200, 95354), (2224, 94325), (2450, 85624), (2695, 77840), (2744, 76450), (2780, 75460), (2800, 74921), (3058, 68600), (3080, 68110), (3430, 61160), (3475, 60368), (3773, 55600), (3850, 54488), (3892, 53900), (3920, 53515), (4312, 48650), (4400, 47677), (4865, 43120), (4900, 42812), (5390, 38920), (5488, 38225), (5560, 37730), (6116, 34300), (6160, 34055), (6811, 30800), (6860, 30580), (6950, 30184), (7546, 27800), (7645, 27440), (7700, 27244), (7784, 26950), (8575, 24464), (8624, 24325), (9730, 21560), (9800, 21406), (10703, 19600), (10780, 19460), (11120, 18865), (12232, 17150), (13475, 15568), (13622, 15400), (13720, 15290), (13900, 15092)]