208598390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:287

約数の個数: 144

約数和(自身を含む): 518212080

約数和(自身を除く): 309613690

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 49, 55, 65, 70, 77, 91, 98, 110, 130, 143, 154, 169, 182, 229, 245, 286, 338, 385, 455, 458, 490, 539, 637, 715, 770, 845, 910, 1001, 1078, 1145, 1183, 1274, 1430, 1603, 1690, 1859, 2002, 2290, 2366, 2519, 2695, 2977, 3185, 3206, 3718, 5005, 5038, 5390, 5915, 5954, 6370, 7007, 8015, 8281, 9295, 10010, 11221, 11830, 12595, 13013, 14014, 14885, 16030, 16562, 17633, 18590, 20839, 22442, 25190, 26026, 29770, 32747, 35035, 35266, 38701, 41405, 41678, 56105, 65065, 65494, 70070, 77402, 82810, 88165, 91091, 104195, 112210, 123431, 130130, 145873, 163735, 176330, 182182, 193505, 208390, 229229, 246862, 270907, 291746, 327470, 387010, 425711, 455455, 458458, 541814, 617155, 729365, 851422, 910910, 1146145, 1234310, 1354535, 1458730, 1604603, 1896349, 2128555, 2292290, 2709070, 2979977, 3209206, 3792698, 4257110, 5959954, 8023015, 9481745, 14899885, 16046030, 18963490, 20859839, 29799770, 41719678, 104299195, 208598390]

約数ペア:

[(1, 208598390), (2, 104299195), (5, 41719678), (7, 29799770), (10, 20859839), (11, 18963490), (13, 16046030), (14, 14899885), (22, 9481745), (26, 8023015), (35, 5959954), (49, 4257110), (55, 3792698), (65, 3209206), (70, 2979977), (77, 2709070), (91, 2292290), (98, 2128555), (110, 1896349), (130, 1604603), (143, 1458730), (154, 1354535), (169, 1234310), (182, 1146145), (229, 910910), (245, 851422), (286, 729365), (338, 617155), (385, 541814), (455, 458458), (458, 455455), (490, 425711), (539, 387010), (637, 327470), (715, 291746), (770, 270907), (845, 246862), (910, 229229), (1001, 208390), (1078, 193505), (1145, 182182), (1183, 176330), (1274, 163735), (1430, 145873), (1603, 130130), (1690, 123431), (1859, 112210), (2002, 104195), (2290, 91091), (2366, 88165), (2519, 82810), (2695, 77402), (2977, 70070), (3185, 65494), (3206, 65065), (3718, 56105), (5005, 41678), (5038, 41405), (5390, 38701), (5915, 35266), (5954, 35035), (6370, 32747), (7007, 29770), (8015, 26026), (8281, 25190), (9295, 22442), (10010, 20839), (11221, 18590), (11830, 17633), (12595, 16562), (13013, 16030), (14014, 14885)]