197851920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 320

約数和(自身を含む): 754237440

約数和(自身を除く): 556385520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 31, 35, 40, 42, 48, 56, 58, 60, 62, 70, 80, 84, 87, 93, 105, 112, 116, 120, 124, 131, 140, 145, 155, 168, 174, 186, 203, 210, 217, 232, 240, 248, 262, 280, 290, 310, 336, 348, 372, 393, 406, 420, 434, 435, 464, 465, 496, 524, 560, 580, 609, 620, 651, 655, 696, 744, 786, 812, 840, 868, 870, 899, 917, 930, 1015, 1048, 1085, 1160, 1218, 1240, 1302, 1310, 1392, 1488, 1572, 1624, 1680, 1736, 1740, 1798, 1834, 1860, 1965, 2030, 2096, 2170, 2320, 2436, 2480, 2604, 2620, 2697, 2751, 3045, 3144, 3248, 3255, 3472, 3480, 3596, 3668, 3720, 3799, 3930, 4060, 4061, 4340, 4495, 4585, 4872, 5208, 5240, 5394, 5502, 6090, 6288, 6293, 6510, 6960, 7192, 7336, 7440, 7598, 7860, 8120, 8122, 8680, 8990, 9170, 9744, 10416, 10480, 10788, 11004, 11397, 12180, 12183, 12586, 13020, 13485, 13755, 14384, 14672, 15196, 15720, 16240, 16244, 17360, 17980, 18340, 18879, 18995, 20305, 21576, 22008, 22794, 24360, 24366, 25172, 26040, 26593, 26970, 27510, 28427, 30392, 31440, 31465, 32488, 35960, 36680, 37758, 37990, 40610, 43152, 44016, 45588, 48720, 48732, 50344, 52080, 53186, 53940, 55020, 56854, 56985, 60784, 60915, 62930, 64976, 71920, 73360, 75516, 75980, 79779, 81220, 85281, 91176, 94395, 97464, 100688, 106372, 107880, 110040, 113708, 113970, 117769, 121830, 125860, 132965, 142135, 151032, 151960, 159558, 162440, 170562, 182352, 188790, 194928, 212744, 215760, 220080, 227416, 227940, 235538, 243660, 251720, 265930, 284270, 302064, 303920, 319116, 324880, 341124, 353307, 377580, 398895, 425488, 426405, 454832, 455880, 471076, 487320, 503440, 531860, 568540, 588845, 638232, 682248, 706614, 755160, 797790, 824383, 852810, 911760, 942152, 974640, 1063720, 1137080, 1177690, 1276464, 1364496, 1413228, 1510320, 1595580, 1648766, 1705620, 1766535, 1884304, 2127440, 2274160, 2355380, 2473149, 2826456, 3191160, 3297532, 3411240, 3533070, 4121915, 4710760, 4946298, 5652912, 6382320, 6595064, 6822480, 7066140, 8243830, 9421520, 9892596, 12365745, 13190128, 14132280, 16487660, 19785192, 24731490, 28264560, 32975320, 39570384, 49462980, 65950640, 98925960, 197851920]

約数ペア:

[(1, 197851920), (2, 98925960), (3, 65950640), (4, 49462980), (5, 39570384), (6, 32975320), (7, 28264560), (8, 24731490), (10, 19785192), (12, 16487660), (14, 14132280), (15, 13190128), (16, 12365745), (20, 9892596), (21, 9421520), (24, 8243830), (28, 7066140), (29, 6822480), (30, 6595064), (31, 6382320), (35, 5652912), (40, 4946298), (42, 4710760), (48, 4121915), (56, 3533070), (58, 3411240), (60, 3297532), (62, 3191160), (70, 2826456), (80, 2473149), (84, 2355380), (87, 2274160), (93, 2127440), (105, 1884304), (112, 1766535), (116, 1705620), (120, 1648766), (124, 1595580), (131, 1510320), (140, 1413228), (145, 1364496), (155, 1276464), (168, 1177690), (174, 1137080), (186, 1063720), (203, 974640), (210, 942152), (217, 911760), (232, 852810), (240, 824383), (248, 797790), (262, 755160), (280, 706614), (290, 682248), (310, 638232), (336, 588845), (348, 568540), (372, 531860), (393, 503440), (406, 487320), (420, 471076), (434, 455880), (435, 454832), (464, 426405), (465, 425488), (496, 398895), (524, 377580), (560, 353307), (580, 341124), (609, 324880), (620, 319116), (651, 303920), (655, 302064), (696, 284270), (744, 265930), (786, 251720), (812, 243660), (840, 235538), (868, 227940), (870, 227416), (899, 220080), (917, 215760), (930, 212744), (1015, 194928), (1048, 188790), (1085, 182352), (1160, 170562), (1218, 162440), (1240, 159558), (1302, 151960), (1310, 151032), (1392, 142135), (1488, 132965), (1572, 125860), (1624, 121830), (1680, 117769), (1736, 113970), (1740, 113708), (1798, 110040), (1834, 107880), (1860, 106372), (1965, 100688), (2030, 97464), (2096, 94395), (2170, 91176), (2320, 85281), (2436, 81220), (2480, 79779), (2604, 75980), (2620, 75516), (2697, 73360), (2751, 71920), (3045, 64976), (3144, 62930), (3248, 60915), (3255, 60784), (3472, 56985), (3480, 56854), (3596, 55020), (3668, 53940), (3720, 53186), (3799, 52080), (3930, 50344), (4060, 48732), (4061, 48720), (4340, 45588), (4495, 44016), (4585, 43152), (4872, 40610), (5208, 37990), (5240, 37758), (5394, 36680), (5502, 35960), (6090, 32488), (6288, 31465), (6293, 31440), (6510, 30392), (6960, 28427), (7192, 27510), (7336, 26970), (7440, 26593), (7598, 26040), (7860, 25172), (8120, 24366), (8122, 24360), (8680, 22794), (8990, 22008), (9170, 21576), (9744, 20305), (10416, 18995), (10480, 18879), (10788, 18340), (11004, 17980), (11397, 17360), (12180, 16244), (12183, 16240), (12586, 15720), (13020, 15196), (13485, 14672), (13755, 14384)]