209225940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 288

約数和(自身を含む): 772208640

約数和(自身を除く): 562982700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 23, 28, 30, 33, 35, 42, 44, 46, 55, 60, 66, 69, 70, 77, 84, 92, 105, 110, 115, 121, 132, 138, 140, 154, 161, 165, 179, 210, 220, 230, 231, 242, 253, 276, 308, 322, 330, 345, 358, 363, 385, 420, 460, 462, 483, 484, 506, 537, 605, 644, 660, 690, 716, 726, 759, 770, 805, 847, 895, 924, 966, 1012, 1074, 1155, 1210, 1253, 1265, 1380, 1452, 1518, 1540, 1610, 1694, 1771, 1790, 1815, 1932, 1969, 2148, 2310, 2415, 2420, 2506, 2530, 2541, 2685, 2783, 3036, 3220, 3388, 3542, 3580, 3630, 3759, 3795, 3938, 4117, 4235, 4620, 4830, 5012, 5060, 5082, 5313, 5370, 5566, 5907, 6265, 7084, 7260, 7518, 7590, 7876, 8234, 8349, 8470, 8855, 9660, 9845, 10164, 10626, 10740, 11132, 11814, 12351, 12530, 12705, 13783, 13915, 15036, 15180, 16468, 16698, 16940, 17710, 18795, 19481, 19690, 20585, 21252, 21659, 23628, 24702, 25060, 25410, 26565, 27566, 27830, 28819, 29535, 33396, 35420, 37590, 38962, 39380, 41170, 41349, 41745, 43318, 45287, 49404, 50820, 53130, 55132, 55660, 57638, 58443, 59070, 61755, 64977, 68915, 75180, 77924, 82340, 82698, 83490, 86457, 86636, 90574, 97405, 106260, 108295, 115276, 116886, 118140, 123510, 129954, 135861, 137830, 144095, 151613, 165396, 166980, 172914, 181148, 194810, 206745, 216590, 226435, 233772, 247020, 259908, 271722, 275660, 288190, 292215, 303226, 317009, 324885, 345828, 389620, 413490, 432285, 433180, 452870, 454839, 498157, 543444, 576380, 584430, 606452, 634018, 649770, 679305, 758065, 826980, 864570, 905740, 909678, 951027, 996314, 1168860, 1268036, 1299540, 1358610, 1494471, 1516130, 1585045, 1729140, 1819356, 1902054, 1992628, 2274195, 2490785, 2717220, 2988942, 3032260, 3170090, 3487099, 3804108, 4548390, 4755135, 4981570, 5977884, 6340180, 6974198, 7472355, 9096780, 9510270, 9963140, 10461297, 13948396, 14944710, 17435495, 19020540, 20922594, 29889420, 34870990, 41845188, 52306485, 69741980, 104612970, 209225940]

約数ペア:

[(1, 209225940), (2, 104612970), (3, 69741980), (4, 52306485), (5, 41845188), (6, 34870990), (7, 29889420), (10, 20922594), (11, 19020540), (12, 17435495), (14, 14944710), (15, 13948396), (20, 10461297), (21, 9963140), (22, 9510270), (23, 9096780), (28, 7472355), (30, 6974198), (33, 6340180), (35, 5977884), (42, 4981570), (44, 4755135), (46, 4548390), (55, 3804108), (60, 3487099), (66, 3170090), (69, 3032260), (70, 2988942), (77, 2717220), (84, 2490785), (92, 2274195), (105, 1992628), (110, 1902054), (115, 1819356), (121, 1729140), (132, 1585045), (138, 1516130), (140, 1494471), (154, 1358610), (161, 1299540), (165, 1268036), (179, 1168860), (210, 996314), (220, 951027), (230, 909678), (231, 905740), (242, 864570), (253, 826980), (276, 758065), (308, 679305), (322, 649770), (330, 634018), (345, 606452), (358, 584430), (363, 576380), (385, 543444), (420, 498157), (460, 454839), (462, 452870), (483, 433180), (484, 432285), (506, 413490), (537, 389620), (605, 345828), (644, 324885), (660, 317009), (690, 303226), (716, 292215), (726, 288190), (759, 275660), (770, 271722), (805, 259908), (847, 247020), (895, 233772), (924, 226435), (966, 216590), (1012, 206745), (1074, 194810), (1155, 181148), (1210, 172914), (1253, 166980), (1265, 165396), (1380, 151613), (1452, 144095), (1518, 137830), (1540, 135861), (1610, 129954), (1694, 123510), (1771, 118140), (1790, 116886), (1815, 115276), (1932, 108295), (1969, 106260), (2148, 97405), (2310, 90574), (2415, 86636), (2420, 86457), (2506, 83490), (2530, 82698), (2541, 82340), (2685, 77924), (2783, 75180), (3036, 68915), (3220, 64977), (3388, 61755), (3542, 59070), (3580, 58443), (3630, 57638), (3759, 55660), (3795, 55132), (3938, 53130), (4117, 50820), (4235, 49404), (4620, 45287), (4830, 43318), (5012, 41745), (5060, 41349), (5082, 41170), (5313, 39380), (5370, 38962), (5566, 37590), (5907, 35420), (6265, 33396), (7084, 29535), (7260, 28819), (7518, 27830), (7590, 27566), (7876, 26565), (8234, 25410), (8349, 25060), (8470, 24702), (8855, 23628), (9660, 21659), (9845, 21252), (10164, 20585), (10626, 19690), (10740, 19481), (11132, 18795), (11814, 17710), (12351, 16940), (12530, 16698), (12705, 16468), (13783, 15180), (13915, 15036)]