211145480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 256

約数和(自身を含む): 638668800

約数和(自身を除く): 427523320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 43, 52, 56, 65, 70, 71, 76, 86, 91, 95, 104, 130, 133, 140, 142, 152, 172, 182, 190, 215, 247, 260, 266, 280, 284, 301, 344, 355, 364, 380, 430, 455, 494, 497, 520, 532, 559, 568, 602, 665, 710, 728, 760, 817, 860, 910, 923, 988, 994, 1064, 1118, 1204, 1235, 1330, 1349, 1420, 1505, 1634, 1720, 1729, 1820, 1846, 1976, 1988, 2236, 2408, 2470, 2485, 2660, 2698, 2795, 2840, 3010, 3053, 3268, 3458, 3640, 3692, 3913, 3976, 4085, 4472, 4615, 4940, 4970, 5320, 5396, 5590, 5719, 6020, 6106, 6461, 6536, 6745, 6916, 7384, 7826, 8170, 8645, 9230, 9443, 9880, 9940, 10621, 10792, 11180, 11438, 12040, 12212, 12922, 13490, 13832, 15265, 15652, 16340, 17290, 17537, 18460, 18886, 19565, 19880, 21242, 21371, 22360, 22876, 24424, 25844, 26980, 28595, 30530, 31304, 32305, 32680, 34580, 35074, 36920, 37772, 39130, 39689, 42484, 42742, 45752, 47215, 51688, 53105, 53960, 57190, 58007, 61060, 64610, 69160, 70148, 74347, 75544, 78260, 79378, 84968, 85484, 87685, 94430, 106210, 106855, 114380, 116014, 122120, 122759, 129220, 140296, 148694, 156520, 158756, 170968, 175370, 188860, 198445, 212420, 213710, 228760, 232028, 245518, 258440, 277823, 290035, 297388, 317512, 350740, 371735, 377720, 396890, 406049, 424840, 427420, 464056, 491036, 555646, 580070, 594776, 613795, 701480, 743470, 754091, 793780, 812098, 854840, 982072, 1111292, 1160140, 1227590, 1389115, 1486940, 1508182, 1587560, 1624196, 2030245, 2222584, 2320280, 2455180, 2778230, 2973880, 3016364, 3248392, 3770455, 4060490, 4910360, 5278637, 5556460, 6032728, 7540910, 8120980, 10557274, 11112920, 15081820, 16241960, 21114548, 26393185, 30163640, 42229096, 52786370, 105572740, 211145480]

約数ペア:

[(1, 211145480), (2, 105572740), (4, 52786370), (5, 42229096), (7, 30163640), (8, 26393185), (10, 21114548), (13, 16241960), (14, 15081820), (19, 11112920), (20, 10557274), (26, 8120980), (28, 7540910), (35, 6032728), (38, 5556460), (40, 5278637), (43, 4910360), (52, 4060490), (56, 3770455), (65, 3248392), (70, 3016364), (71, 2973880), (76, 2778230), (86, 2455180), (91, 2320280), (95, 2222584), (104, 2030245), (130, 1624196), (133, 1587560), (140, 1508182), (142, 1486940), (152, 1389115), (172, 1227590), (182, 1160140), (190, 1111292), (215, 982072), (247, 854840), (260, 812098), (266, 793780), (280, 754091), (284, 743470), (301, 701480), (344, 613795), (355, 594776), (364, 580070), (380, 555646), (430, 491036), (455, 464056), (494, 427420), (497, 424840), (520, 406049), (532, 396890), (559, 377720), (568, 371735), (602, 350740), (665, 317512), (710, 297388), (728, 290035), (760, 277823), (817, 258440), (860, 245518), (910, 232028), (923, 228760), (988, 213710), (994, 212420), (1064, 198445), (1118, 188860), (1204, 175370), (1235, 170968), (1330, 158756), (1349, 156520), (1420, 148694), (1505, 140296), (1634, 129220), (1720, 122759), (1729, 122120), (1820, 116014), (1846, 114380), (1976, 106855), (1988, 106210), (2236, 94430), (2408, 87685), (2470, 85484), (2485, 84968), (2660, 79378), (2698, 78260), (2795, 75544), (2840, 74347), (3010, 70148), (3053, 69160), (3268, 64610), (3458, 61060), (3640, 58007), (3692, 57190), (3913, 53960), (3976, 53105), (4085, 51688), (4472, 47215), (4615, 45752), (4940, 42742), (4970, 42484), (5320, 39689), (5396, 39130), (5590, 37772), (5719, 36920), (6020, 35074), (6106, 34580), (6461, 32680), (6536, 32305), (6745, 31304), (6916, 30530), (7384, 28595), (7826, 26980), (8170, 25844), (8645, 24424), (9230, 22876), (9443, 22360), (9880, 21371), (9940, 21242), (10621, 19880), (10792, 19565), (11180, 18886), (11438, 18460), (12040, 17537), (12212, 17290), (12922, 16340), (13490, 15652), (13832, 15265)]