71817340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 192024000

約数和(自身を除く): 120206660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 29, 35, 38, 49, 58, 70, 76, 95, 98, 116, 133, 140, 145, 190, 196, 203, 245, 266, 290, 343, 361, 380, 406, 490, 532, 551, 580, 665, 686, 722, 812, 931, 980, 1015, 1102, 1330, 1372, 1421, 1444, 1715, 1805, 1862, 2030, 2204, 2527, 2660, 2755, 2842, 3430, 3610, 3724, 3857, 4060, 4655, 5054, 5510, 5684, 6517, 6860, 7105, 7220, 7714, 9310, 9947, 10108, 10469, 11020, 12635, 13034, 14210, 15428, 17689, 18620, 19285, 19894, 20938, 25270, 26068, 26999, 28420, 32585, 35378, 38570, 39788, 41876, 49735, 50540, 52345, 53998, 65170, 70756, 73283, 77140, 88445, 99470, 104690, 107996, 123823, 130340, 134995, 146566, 176890, 188993, 198940, 209380, 247646, 269990, 293132, 353780, 366415, 377986, 495292, 512981, 539980, 619115, 732830, 755972, 944965, 1025962, 1238230, 1465660, 1889930, 2051924, 2476460, 2564905, 3590867, 3779860, 5129810, 7181734, 10259620, 14363468, 17954335, 35908670, 71817340]

約数ペア:

[(1, 71817340), (2, 35908670), (4, 17954335), (5, 14363468), (7, 10259620), (10, 7181734), (14, 5129810), (19, 3779860), (20, 3590867), (28, 2564905), (29, 2476460), (35, 2051924), (38, 1889930), (49, 1465660), (58, 1238230), (70, 1025962), (76, 944965), (95, 755972), (98, 732830), (116, 619115), (133, 539980), (140, 512981), (145, 495292), (190, 377986), (196, 366415), (203, 353780), (245, 293132), (266, 269990), (290, 247646), (343, 209380), (361, 198940), (380, 188993), (406, 176890), (490, 146566), (532, 134995), (551, 130340), (580, 123823), (665, 107996), (686, 104690), (722, 99470), (812, 88445), (931, 77140), (980, 73283), (1015, 70756), (1102, 65170), (1330, 53998), (1372, 52345), (1421, 50540), (1444, 49735), (1715, 41876), (1805, 39788), (1862, 38570), (2030, 35378), (2204, 32585), (2527, 28420), (2660, 26999), (2755, 26068), (2842, 25270), (3430, 20938), (3610, 19894), (3724, 19285), (3857, 18620), (4060, 17689), (4655, 15428), (5054, 14210), (5510, 13034), (5684, 12635), (6517, 11020), (6860, 10469), (7105, 10108), (7220, 9947), (7714, 9310)]