423118280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 1064448000

約数和(自身を除く): 641329720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 127, 130, 149, 172, 215, 254, 260, 298, 344, 430, 508, 520, 559, 596, 635, 745, 860, 1016, 1118, 1192, 1270, 1490, 1651, 1720, 1937, 2236, 2540, 2795, 2980, 3302, 3874, 4472, 5080, 5461, 5590, 5960, 6407, 6604, 7748, 8255, 9685, 10922, 11180, 12814, 13208, 15496, 16510, 18923, 19370, 21844, 22360, 25628, 27305, 32035, 33020, 37846, 38740, 43688, 51256, 54610, 64070, 66040, 70993, 75692, 77480, 83291, 94615, 109220, 128140, 141986, 151384, 166582, 189230, 218440, 245999, 256280, 283972, 333164, 354965, 378460, 416455, 491998, 567944, 666328, 709930, 756920, 813689, 832910, 983996, 1229995, 1419860, 1627378, 1665820, 1967992, 2459990, 2839720, 3254756, 3331640, 4068445, 4919980, 6509512, 8136890, 9839960, 10577957, 16273780, 21155914, 32547560, 42311828, 52889785, 84623656, 105779570, 211559140, 423118280]

約数ペア:

[(1, 423118280), (2, 211559140), (4, 105779570), (5, 84623656), (8, 52889785), (10, 42311828), (13, 32547560), (20, 21155914), (26, 16273780), (40, 10577957), (43, 9839960), (52, 8136890), (65, 6509512), (86, 4919980), (104, 4068445), (127, 3331640), (130, 3254756), (149, 2839720), (172, 2459990), (215, 1967992), (254, 1665820), (260, 1627378), (298, 1419860), (344, 1229995), (430, 983996), (508, 832910), (520, 813689), (559, 756920), (596, 709930), (635, 666328), (745, 567944), (860, 491998), (1016, 416455), (1118, 378460), (1192, 354965), (1270, 333164), (1490, 283972), (1651, 256280), (1720, 245999), (1937, 218440), (2236, 189230), (2540, 166582), (2795, 151384), (2980, 141986), (3302, 128140), (3874, 109220), (4472, 94615), (5080, 83291), (5461, 77480), (5590, 75692), (5960, 70993), (6407, 66040), (6604, 64070), (7748, 54610), (8255, 51256), (9685, 43688), (10922, 38740), (11180, 37846), (12814, 33020), (13208, 32035), (15496, 27305), (16510, 25628), (18923, 22360), (19370, 21844)]