206986780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 598348800

約数和(自身を除く): 391362020

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 211, 220, 245, 260, 286, 308, 343, 364, 385, 422, 455, 490, 539, 572, 637, 686, 715, 770, 844, 910, 980, 1001, 1055, 1078, 1274, 1372, 1430, 1477, 1540, 1715, 1820, 2002, 2110, 2156, 2321, 2548, 2695, 2743, 2860, 2954, 3185, 3430, 3773, 4004, 4220, 4459, 4642, 5005, 5390, 5486, 5908, 6370, 6860, 7007, 7385, 7546, 8918, 9284, 10010, 10339, 10780, 10972, 11605, 12740, 13715, 14014, 14770, 15092, 16247, 17836, 18865, 19201, 20020, 20678, 22295, 23210, 27430, 28028, 29540, 30173, 32494, 35035, 37730, 38402, 41356, 44590, 46420, 49049, 51695, 54860, 60346, 64988, 70070, 72373, 75460, 76804, 81235, 89180, 96005, 98098, 103390, 113729, 120692, 134407, 140140, 144746, 150865, 162470, 192010, 196196, 206780, 211211, 227458, 245245, 268814, 289492, 301730, 324940, 361865, 384020, 422422, 454916, 490490, 537628, 568645, 603460, 672035, 723730, 796103, 844844, 940849, 980980, 1056055, 1137290, 1344070, 1447460, 1478477, 1592206, 1881698, 2112110, 2274580, 2688140, 2956954, 3184412, 3763396, 3980515, 4224220, 4704245, 5913908, 7392385, 7961030, 9408490, 10349339, 14784770, 15922060, 18816980, 20698678, 29569540, 41397356, 51746695, 103493390, 206986780]

約数ペア:

[(1, 206986780), (2, 103493390), (4, 51746695), (5, 41397356), (7, 29569540), (10, 20698678), (11, 18816980), (13, 15922060), (14, 14784770), (20, 10349339), (22, 9408490), (26, 7961030), (28, 7392385), (35, 5913908), (44, 4704245), (49, 4224220), (52, 3980515), (55, 3763396), (65, 3184412), (70, 2956954), (77, 2688140), (91, 2274580), (98, 2112110), (110, 1881698), (130, 1592206), (140, 1478477), (143, 1447460), (154, 1344070), (182, 1137290), (196, 1056055), (211, 980980), (220, 940849), (245, 844844), (260, 796103), (286, 723730), (308, 672035), (343, 603460), (364, 568645), (385, 537628), (422, 490490), (455, 454916), (490, 422422), (539, 384020), (572, 361865), (637, 324940), (686, 301730), (715, 289492), (770, 268814), (844, 245245), (910, 227458), (980, 211211), (1001, 206780), (1055, 196196), (1078, 192010), (1274, 162470), (1372, 150865), (1430, 144746), (1477, 140140), (1540, 134407), (1715, 120692), (1820, 113729), (2002, 103390), (2110, 98098), (2156, 96005), (2321, 89180), (2548, 81235), (2695, 76804), (2743, 75460), (2860, 72373), (2954, 70070), (3185, 64988), (3430, 60346), (3773, 54860), (4004, 51695), (4220, 49049), (4459, 46420), (4642, 44590), (5005, 41356), (5390, 38402), (5486, 37730), (5908, 35035), (6370, 32494), (6860, 30173), (7007, 29540), (7385, 28028), (7546, 27430), (8918, 23210), (9284, 22295), (10010, 20678), (10339, 20020), (10780, 19201), (10972, 18865), (11605, 17836), (12740, 16247), (13715, 15092), (14014, 14770)]