51278500

素因数分解:

$2^2\times 5^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 192

約数和(自身を含む): 146764800

約数和(自身を除く): 95486300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 25, 26, 28, 35, 46, 49, 50, 52, 65, 70, 91, 92, 98, 100, 115, 125, 130, 140, 161, 175, 182, 196, 230, 245, 250, 260, 299, 322, 325, 343, 350, 364, 455, 460, 490, 500, 575, 598, 637, 644, 650, 686, 700, 805, 875, 910, 980, 1127, 1150, 1196, 1225, 1274, 1300, 1372, 1495, 1610, 1625, 1715, 1750, 1820, 2093, 2254, 2275, 2300, 2450, 2548, 2875, 2990, 3185, 3220, 3250, 3430, 3500, 4025, 4186, 4459, 4508, 4550, 4900, 5635, 5750, 5980, 6125, 6370, 6500, 6860, 7475, 7889, 8050, 8372, 8575, 8918, 9100, 10465, 11270, 11375, 11500, 12250, 12740, 14651, 14950, 15778, 15925, 16100, 17150, 17836, 20125, 20930, 22295, 22540, 22750, 24500, 28175, 29302, 29900, 31556, 31850, 34300, 37375, 39445, 40250, 41860, 42875, 44590, 45500, 52325, 56350, 58604, 63700, 73255, 74750, 78890, 79625, 80500, 85750, 89180, 102557, 104650, 111475, 112700, 140875, 146510, 149500, 157780, 159250, 171500, 197225, 205114, 209300, 222950, 261625, 281750, 293020, 318500, 366275, 394450, 410228, 445900, 512785, 523250, 557375, 563500, 732550, 788900, 986125, 1025570, 1046500, 1114750, 1465100, 1831375, 1972250, 2051140, 2229500, 2563925, 3662750, 3944500, 5127850, 7325500, 10255700, 12819625, 25639250, 51278500]

約数ペア:

[(1, 51278500), (2, 25639250), (4, 12819625), (5, 10255700), (7, 7325500), (10, 5127850), (13, 3944500), (14, 3662750), (20, 2563925), (23, 2229500), (25, 2051140), (26, 1972250), (28, 1831375), (35, 1465100), (46, 1114750), (49, 1046500), (50, 1025570), (52, 986125), (65, 788900), (70, 732550), (91, 563500), (92, 557375), (98, 523250), (100, 512785), (115, 445900), (125, 410228), (130, 394450), (140, 366275), (161, 318500), (175, 293020), (182, 281750), (196, 261625), (230, 222950), (245, 209300), (250, 205114), (260, 197225), (299, 171500), (322, 159250), (325, 157780), (343, 149500), (350, 146510), (364, 140875), (455, 112700), (460, 111475), (490, 104650), (500, 102557), (575, 89180), (598, 85750), (637, 80500), (644, 79625), (650, 78890), (686, 74750), (700, 73255), (805, 63700), (875, 58604), (910, 56350), (980, 52325), (1127, 45500), (1150, 44590), (1196, 42875), (1225, 41860), (1274, 40250), (1300, 39445), (1372, 37375), (1495, 34300), (1610, 31850), (1625, 31556), (1715, 29900), (1750, 29302), (1820, 28175), (2093, 24500), (2254, 22750), (2275, 22540), (2300, 22295), (2450, 20930), (2548, 20125), (2875, 17836), (2990, 17150), (3185, 16100), (3220, 15925), (3250, 15778), (3430, 14950), (3500, 14651), (4025, 12740), (4186, 12250), (4459, 11500), (4508, 11375), (4550, 11270), (4900, 10465), (5635, 9100), (5750, 8918), (5980, 8575), (6125, 8372), (6370, 8050), (6500, 7889), (6860, 7475)]