8878889180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 288

約数和(自身を含む): 23784026112

約数和(自身を除く): 14905136932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 49, 62, 70, 92, 97, 98, 115, 124, 131, 140, 155, 161, 194, 196, 217, 230, 245, 262, 310, 322, 388, 434, 460, 485, 490, 524, 620, 644, 655, 679, 713, 805, 868, 917, 970, 980, 1085, 1127, 1310, 1358, 1426, 1519, 1610, 1834, 1940, 2170, 2231, 2254, 2620, 2716, 2852, 3007, 3013, 3038, 3220, 3395, 3565, 3668, 4061, 4340, 4462, 4508, 4585, 4753, 4991, 5635, 6014, 6026, 6076, 6419, 6790, 7130, 7595, 8122, 8924, 9170, 9506, 9982, 11155, 11270, 12028, 12052, 12707, 12838, 13580, 14260, 15035, 15065, 15190, 15617, 16244, 18340, 19012, 19964, 20305, 21049, 21091, 22310, 22540, 23765, 24955, 25414, 25676, 28427, 30070, 30130, 30380, 31234, 32095, 34937, 40610, 42098, 42182, 44620, 47530, 49910, 50828, 56854, 60140, 60260, 62468, 63535, 64190, 69161, 69874, 78085, 81220, 84196, 84364, 88949, 93403, 95060, 99820, 105245, 105455, 109319, 113708, 127070, 128380, 138322, 139748, 142135, 147343, 147637, 156170, 174685, 177898, 186806, 198989, 210490, 210910, 218638, 254140, 276644, 284270, 292261, 294686, 295274, 312340, 345805, 349370, 355796, 373612, 393917, 397978, 420980, 421820, 437276, 444745, 467015, 484127, 546595, 568540, 584522, 589372, 590548, 622643, 653821, 691610, 698740, 736715, 738185, 787834, 795956, 889490, 934030, 968254, 994945, 1093190, 1169044, 1245286, 1307642, 1383220, 1461305, 1473430, 1476370, 1575668, 1778980, 1868060, 1936508, 1969585, 1989890, 2045827, 2186380, 2420635, 2490572, 2615284, 2757419, 2922610, 2946860, 2952740, 3113215, 3269105, 3388889, 3939170, 3979780, 4091654, 4576747, 4841270, 5514838, 5845220, 6226430, 6538210, 6777778, 7878340, 8183308, 9060091, 9153494, 9682540, 10229135, 11029676, 12452860, 13076420, 13555556, 13787095, 14320789, 16944445, 18120182, 18306988, 19301933, 20458270, 22883735, 27574190, 28641578, 33888890, 36240364, 38603866, 40916540, 45300455, 45767470, 55148380, 57283156, 63420637, 67777780, 71603945, 77207732, 90600910, 91534940, 96509665, 126841274, 143207890, 181201820, 193019330, 253682548, 286415780, 317103185, 386038660, 443944459, 634206370, 887888918, 1268412740, 1775777836, 2219722295, 4439444590, 8878889180]

約数ペア:

[(1, 8878889180), (2, 4439444590), (4, 2219722295), (5, 1775777836), (7, 1268412740), (10, 887888918), (14, 634206370), (20, 443944459), (23, 386038660), (28, 317103185), (31, 286415780), (35, 253682548), (46, 193019330), (49, 181201820), (62, 143207890), (70, 126841274), (92, 96509665), (97, 91534940), (98, 90600910), (115, 77207732), (124, 71603945), (131, 67777780), (140, 63420637), (155, 57283156), (161, 55148380), (194, 45767470), (196, 45300455), (217, 40916540), (230, 38603866), (245, 36240364), (262, 33888890), (310, 28641578), (322, 27574190), (388, 22883735), (434, 20458270), (460, 19301933), (485, 18306988), (490, 18120182), (524, 16944445), (620, 14320789), (644, 13787095), (655, 13555556), (679, 13076420), (713, 12452860), (805, 11029676), (868, 10229135), (917, 9682540), (970, 9153494), (980, 9060091), (1085, 8183308), (1127, 7878340), (1310, 6777778), (1358, 6538210), (1426, 6226430), (1519, 5845220), (1610, 5514838), (1834, 4841270), (1940, 4576747), (2170, 4091654), (2231, 3979780), (2254, 3939170), (2620, 3388889), (2716, 3269105), (2852, 3113215), (3007, 2952740), (3013, 2946860), (3038, 2922610), (3220, 2757419), (3395, 2615284), (3565, 2490572), (3668, 2420635), (4061, 2186380), (4340, 2045827), (4462, 1989890), (4508, 1969585), (4585, 1936508), (4753, 1868060), (4991, 1778980), (5635, 1575668), (6014, 1476370), (6026, 1473430), (6076, 1461305), (6419, 1383220), (6790, 1307642), (7130, 1245286), (7595, 1169044), (8122, 1093190), (8924, 994945), (9170, 968254), (9506, 934030), (9982, 889490), (11155, 795956), (11270, 787834), (12028, 738185), (12052, 736715), (12707, 698740), (12838, 691610), (13580, 653821), (14260, 622643), (15035, 590548), (15065, 589372), (15190, 584522), (15617, 568540), (16244, 546595), (18340, 484127), (19012, 467015), (19964, 444745), (20305, 437276), (21049, 421820), (21091, 420980), (22310, 397978), (22540, 393917), (23765, 373612), (24955, 355796), (25414, 349370), (25676, 345805), (28427, 312340), (30070, 295274), (30130, 294686), (30380, 292261), (31234, 284270), (32095, 276644), (34937, 254140), (40610, 218638), (42098, 210910), (42182, 210490), (44620, 198989), (47530, 186806), (49910, 177898), (50828, 174685), (56854, 156170), (60140, 147637), (60260, 147343), (62468, 142135), (63535, 139748), (64190, 138322), (69161, 128380), (69874, 127070), (78085, 113708), (81220, 109319), (84196, 105455), (84364, 105245), (88949, 99820), (93403, 95060)]