239959720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{461}}^1$

素因数の和:516

約数の個数: 192

約数和(自身を含む): 730477440

約数和(自身を除く): 490517720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 169, 182, 220, 260, 280, 286, 308, 338, 364, 385, 440, 455, 461, 520, 572, 616, 676, 715, 728, 770, 845, 910, 922, 1001, 1144, 1183, 1352, 1430, 1540, 1690, 1820, 1844, 1859, 2002, 2305, 2366, 2860, 3080, 3227, 3380, 3640, 3688, 3718, 4004, 4610, 4732, 5005, 5071, 5720, 5915, 5993, 6454, 6760, 7436, 8008, 9220, 9295, 9464, 10010, 10142, 11830, 11986, 12908, 13013, 14872, 16135, 18440, 18590, 20020, 20284, 23660, 23972, 25355, 25816, 26026, 29965, 32270, 35497, 37180, 40040, 40568, 41951, 47320, 47944, 50710, 52052, 59930, 64540, 65065, 65923, 70994, 74360, 77909, 83902, 101420, 104104, 119860, 129080, 130130, 131846, 141988, 155818, 167804, 177485, 202840, 209755, 239720, 260260, 263692, 283976, 311636, 329615, 335608, 354970, 389545, 419510, 461461, 520520, 527384, 545363, 623272, 659230, 709940, 779090, 839020, 856999, 922922, 1090726, 1318460, 1419880, 1558180, 1678040, 1713998, 1845844, 2181452, 2307305, 2636920, 2726815, 3116360, 3427996, 3691688, 4284995, 4362904, 4614610, 5453630, 5998993, 6855992, 8569990, 9229220, 10907260, 11997986, 17139980, 18458440, 21814520, 23995972, 29994965, 34279960, 47991944, 59989930, 119979860, 239959720]

約数ペア:

[(1, 239959720), (2, 119979860), (4, 59989930), (5, 47991944), (7, 34279960), (8, 29994965), (10, 23995972), (11, 21814520), (13, 18458440), (14, 17139980), (20, 11997986), (22, 10907260), (26, 9229220), (28, 8569990), (35, 6855992), (40, 5998993), (44, 5453630), (52, 4614610), (55, 4362904), (56, 4284995), (65, 3691688), (70, 3427996), (77, 3116360), (88, 2726815), (91, 2636920), (104, 2307305), (110, 2181452), (130, 1845844), (140, 1713998), (143, 1678040), (154, 1558180), (169, 1419880), (182, 1318460), (220, 1090726), (260, 922922), (280, 856999), (286, 839020), (308, 779090), (338, 709940), (364, 659230), (385, 623272), (440, 545363), (455, 527384), (461, 520520), (520, 461461), (572, 419510), (616, 389545), (676, 354970), (715, 335608), (728, 329615), (770, 311636), (845, 283976), (910, 263692), (922, 260260), (1001, 239720), (1144, 209755), (1183, 202840), (1352, 177485), (1430, 167804), (1540, 155818), (1690, 141988), (1820, 131846), (1844, 130130), (1859, 129080), (2002, 119860), (2305, 104104), (2366, 101420), (2860, 83902), (3080, 77909), (3227, 74360), (3380, 70994), (3640, 65923), (3688, 65065), (3718, 64540), (4004, 59930), (4610, 52052), (4732, 50710), (5005, 47944), (5071, 47320), (5720, 41951), (5915, 40568), (5993, 40040), (6454, 37180), (6760, 35497), (7436, 32270), (8008, 29965), (9220, 26026), (9295, 25816), (9464, 25355), (10010, 23972), (10142, 23660), (11830, 20284), (11986, 20020), (12908, 18590), (13013, 18440), (14872, 16135)]