209821920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{811}}^1$

素因数の和:854

約数の個数: 288

約数和(自身を含む): 839776896

約数和(自身を除く): 629954976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 98, 105, 110, 112, 120, 132, 140, 147, 154, 160, 165, 168, 176, 196, 210, 220, 224, 231, 240, 245, 264, 280, 294, 308, 330, 336, 352, 385, 392, 420, 440, 462, 480, 490, 528, 539, 560, 588, 616, 660, 672, 735, 770, 784, 811, 840, 880, 924, 980, 1056, 1078, 1120, 1155, 1176, 1232, 1320, 1470, 1540, 1568, 1617, 1622, 1680, 1760, 1848, 1960, 2156, 2310, 2352, 2433, 2464, 2640, 2695, 2940, 3080, 3234, 3244, 3360, 3696, 3920, 4055, 4312, 4620, 4704, 4866, 5280, 5390, 5677, 5880, 6160, 6468, 6488, 7392, 7840, 8085, 8110, 8624, 8921, 9240, 9732, 10780, 11354, 11760, 12165, 12320, 12936, 12976, 16170, 16220, 17031, 17248, 17842, 18480, 19464, 21560, 22708, 23520, 24330, 25872, 25952, 26763, 28385, 32340, 32440, 34062, 35684, 36960, 38928, 39739, 43120, 44605, 45416, 48660, 51744, 53526, 56770, 62447, 64680, 64880, 68124, 71368, 77856, 79478, 85155, 86240, 89210, 90832, 97320, 107052, 113540, 119217, 124894, 129360, 129760, 133815, 136248, 142736, 158956, 170310, 178420, 181664, 187341, 194640, 198695, 214104, 227080, 238434, 249788, 258720, 267630, 272496, 285472, 312235, 317912, 340620, 356840, 374682, 389280, 397390, 428208, 437129, 454160, 476868, 499576, 535260, 544992, 596085, 624470, 635824, 681240, 713680, 749364, 794780, 856416, 874258, 908320, 936705, 953736, 999152, 1070520, 1192170, 1248940, 1271648, 1311387, 1362480, 1427360, 1498728, 1589560, 1748516, 1873410, 1907472, 1998304, 2141040, 2185645, 2384340, 2497880, 2622774, 2724960, 2997456, 3179120, 3497032, 3746820, 3814944, 4282080, 4371290, 4768680, 4995760, 5245548, 5994912, 6358240, 6556935, 6994064, 7493640, 8742580, 9537360, 9991520, 10491096, 13113870, 13988128, 14987280, 17485160, 19074720, 20982192, 26227740, 29974560, 34970320, 41964384, 52455480, 69940640, 104910960, 209821920]

約数ペア:

[(1, 209821920), (2, 104910960), (3, 69940640), (4, 52455480), (5, 41964384), (6, 34970320), (7, 29974560), (8, 26227740), (10, 20982192), (11, 19074720), (12, 17485160), (14, 14987280), (15, 13988128), (16, 13113870), (20, 10491096), (21, 9991520), (22, 9537360), (24, 8742580), (28, 7493640), (30, 6994064), (32, 6556935), (33, 6358240), (35, 5994912), (40, 5245548), (42, 4995760), (44, 4768680), (48, 4371290), (49, 4282080), (55, 3814944), (56, 3746820), (60, 3497032), (66, 3179120), (70, 2997456), (77, 2724960), (80, 2622774), (84, 2497880), (88, 2384340), (96, 2185645), (98, 2141040), (105, 1998304), (110, 1907472), (112, 1873410), (120, 1748516), (132, 1589560), (140, 1498728), (147, 1427360), (154, 1362480), (160, 1311387), (165, 1271648), (168, 1248940), (176, 1192170), (196, 1070520), (210, 999152), (220, 953736), (224, 936705), (231, 908320), (240, 874258), (245, 856416), (264, 794780), (280, 749364), (294, 713680), (308, 681240), (330, 635824), (336, 624470), (352, 596085), (385, 544992), (392, 535260), (420, 499576), (440, 476868), (462, 454160), (480, 437129), (490, 428208), (528, 397390), (539, 389280), (560, 374682), (588, 356840), (616, 340620), (660, 317912), (672, 312235), (735, 285472), (770, 272496), (784, 267630), (811, 258720), (840, 249788), (880, 238434), (924, 227080), (980, 214104), (1056, 198695), (1078, 194640), (1120, 187341), (1155, 181664), (1176, 178420), (1232, 170310), (1320, 158956), (1470, 142736), (1540, 136248), (1568, 133815), (1617, 129760), (1622, 129360), (1680, 124894), (1760, 119217), (1848, 113540), (1960, 107052), (2156, 97320), (2310, 90832), (2352, 89210), (2433, 86240), (2464, 85155), (2640, 79478), (2695, 77856), (2940, 71368), (3080, 68124), (3234, 64880), (3244, 64680), (3360, 62447), (3696, 56770), (3920, 53526), (4055, 51744), (4312, 48660), (4620, 45416), (4704, 44605), (4866, 43120), (5280, 39739), (5390, 38928), (5677, 36960), (5880, 35684), (6160, 34062), (6468, 32440), (6488, 32340), (7392, 28385), (7840, 26763), (8085, 25952), (8110, 25872), (8624, 24330), (8921, 23520), (9240, 22708), (9732, 21560), (10780, 19464), (11354, 18480), (11760, 17842), (12165, 17248), (12320, 17031), (12936, 16220), (12976, 16170)]