208771290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:358

約数の個数: 256

約数和(自身を含む): 711244800

約数和(自身を除く): 502473510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 29, 30, 35, 39, 42, 45, 54, 58, 63, 65, 70, 78, 87, 90, 91, 105, 117, 126, 130, 135, 145, 174, 182, 189, 195, 203, 210, 234, 261, 270, 273, 290, 293, 315, 351, 377, 378, 390, 406, 435, 455, 522, 546, 585, 586, 609, 630, 702, 754, 783, 819, 870, 879, 910, 945, 1015, 1131, 1170, 1218, 1305, 1365, 1465, 1566, 1638, 1755, 1758, 1827, 1885, 1890, 2030, 2051, 2262, 2457, 2610, 2637, 2639, 2730, 2930, 3045, 3393, 3510, 3654, 3770, 3809, 3915, 4095, 4102, 4395, 4914, 5274, 5278, 5481, 5655, 6090, 6153, 6786, 7618, 7830, 7911, 7917, 8190, 8497, 8790, 9135, 10179, 10255, 10962, 11310, 11427, 12285, 12306, 13185, 13195, 15822, 15834, 16965, 16994, 18270, 18459, 19045, 20358, 20510, 22854, 23751, 24570, 25491, 26370, 26390, 26663, 27405, 30765, 33930, 34281, 36918, 38090, 39555, 39585, 42485, 47502, 50895, 50982, 53326, 54810, 55377, 57135, 59479, 61530, 68562, 71253, 76473, 79110, 79170, 79989, 84970, 92295, 101790, 102843, 110461, 110754, 114270, 118755, 118958, 127455, 133315, 142506, 152946, 159978, 171405, 178437, 184590, 205686, 220922, 229419, 237510, 239967, 254910, 266630, 276885, 297395, 331383, 342810, 356265, 356874, 382365, 399945, 458838, 479934, 514215, 535311, 552305, 553770, 594790, 662766, 712530, 719901, 764730, 773227, 799890, 892185, 994149, 1028430, 1070622, 1104610, 1147095, 1199835, 1439802, 1546454, 1605933, 1656915, 1784370, 1988298, 2294190, 2319681, 2399670, 2676555, 2982447, 3211866, 3313830, 3599505, 3866135, 4639362, 4970745, 5353110, 5964894, 6959043, 7199010, 7732270, 8029665, 9941490, 11598405, 13918086, 14912235, 16059330, 20877129, 23196810, 29824470, 34795215, 41754258, 69590430, 104385645, 208771290]

約数ペア:

[(1, 208771290), (2, 104385645), (3, 69590430), (5, 41754258), (6, 34795215), (7, 29824470), (9, 23196810), (10, 20877129), (13, 16059330), (14, 14912235), (15, 13918086), (18, 11598405), (21, 9941490), (26, 8029665), (27, 7732270), (29, 7199010), (30, 6959043), (35, 5964894), (39, 5353110), (42, 4970745), (45, 4639362), (54, 3866135), (58, 3599505), (63, 3313830), (65, 3211866), (70, 2982447), (78, 2676555), (87, 2399670), (90, 2319681), (91, 2294190), (105, 1988298), (117, 1784370), (126, 1656915), (130, 1605933), (135, 1546454), (145, 1439802), (174, 1199835), (182, 1147095), (189, 1104610), (195, 1070622), (203, 1028430), (210, 994149), (234, 892185), (261, 799890), (270, 773227), (273, 764730), (290, 719901), (293, 712530), (315, 662766), (351, 594790), (377, 553770), (378, 552305), (390, 535311), (406, 514215), (435, 479934), (455, 458838), (522, 399945), (546, 382365), (585, 356874), (586, 356265), (609, 342810), (630, 331383), (702, 297395), (754, 276885), (783, 266630), (819, 254910), (870, 239967), (879, 237510), (910, 229419), (945, 220922), (1015, 205686), (1131, 184590), (1170, 178437), (1218, 171405), (1305, 159978), (1365, 152946), (1465, 142506), (1566, 133315), (1638, 127455), (1755, 118958), (1758, 118755), (1827, 114270), (1885, 110754), (1890, 110461), (2030, 102843), (2051, 101790), (2262, 92295), (2457, 84970), (2610, 79989), (2637, 79170), (2639, 79110), (2730, 76473), (2930, 71253), (3045, 68562), (3393, 61530), (3510, 59479), (3654, 57135), (3770, 55377), (3809, 54810), (3915, 53326), (4095, 50982), (4102, 50895), (4395, 47502), (4914, 42485), (5274, 39585), (5278, 39555), (5481, 38090), (5655, 36918), (6090, 34281), (6153, 33930), (6786, 30765), (7618, 27405), (7830, 26663), (7911, 26390), (7917, 26370), (8190, 25491), (8497, 24570), (8790, 23751), (9135, 22854), (10179, 20510), (10255, 20358), (10962, 19045), (11310, 18459), (11427, 18270), (12285, 16994), (12306, 16965), (13185, 15834), (13195, 15822)]