205124920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 256

約数和(自身を含む): 638668800

約数和(自身を除く): 433543880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 47, 52, 55, 56, 65, 70, 77, 88, 91, 94, 104, 109, 110, 130, 140, 143, 154, 182, 188, 218, 220, 235, 260, 280, 286, 308, 329, 364, 376, 385, 436, 440, 455, 470, 517, 520, 545, 572, 611, 616, 658, 715, 728, 763, 770, 872, 910, 940, 1001, 1034, 1090, 1144, 1199, 1222, 1316, 1417, 1430, 1526, 1540, 1645, 1820, 1880, 2002, 2068, 2180, 2398, 2444, 2585, 2632, 2834, 2860, 3052, 3055, 3080, 3290, 3619, 3640, 3815, 4004, 4136, 4277, 4360, 4796, 4888, 5005, 5123, 5170, 5668, 5720, 5995, 6104, 6110, 6580, 6721, 7085, 7238, 7630, 8008, 8393, 8554, 9592, 9919, 10010, 10246, 10340, 11336, 11990, 12220, 13160, 13442, 14170, 14476, 15260, 15587, 16786, 17108, 18095, 19838, 20020, 20492, 20680, 21385, 23980, 24440, 25615, 26884, 28340, 28952, 30520, 31174, 33572, 33605, 34216, 35861, 36190, 39676, 40040, 40984, 41965, 42770, 47047, 47960, 49595, 51230, 53768, 56353, 56680, 62348, 66599, 67144, 67210, 71722, 72380, 77935, 79352, 83930, 85540, 94094, 99190, 102460, 109109, 112706, 124696, 133198, 134420, 143444, 144760, 155870, 167860, 171080, 179305, 188188, 198380, 204920, 218218, 225412, 235235, 266396, 268840, 281765, 286888, 311740, 332995, 335720, 358610, 376376, 394471, 396760, 436436, 450824, 466193, 470470, 532792, 545545, 563530, 623480, 665990, 717220, 732589, 788942, 872872, 932386, 940940, 1091090, 1127060, 1331980, 1434440, 1465178, 1577884, 1864772, 1881880, 1972355, 2182180, 2254120, 2330965, 2663960, 2930356, 3155768, 3662945, 3729544, 3944710, 4364360, 4661930, 5128123, 5860712, 7325890, 7889420, 9323860, 10256246, 14651780, 15778840, 18647720, 20512492, 25640615, 29303560, 41024984, 51281230, 102562460, 205124920]

約数ペア:

[(1, 205124920), (2, 102562460), (4, 51281230), (5, 41024984), (7, 29303560), (8, 25640615), (10, 20512492), (11, 18647720), (13, 15778840), (14, 14651780), (20, 10256246), (22, 9323860), (26, 7889420), (28, 7325890), (35, 5860712), (40, 5128123), (44, 4661930), (47, 4364360), (52, 3944710), (55, 3729544), (56, 3662945), (65, 3155768), (70, 2930356), (77, 2663960), (88, 2330965), (91, 2254120), (94, 2182180), (104, 1972355), (109, 1881880), (110, 1864772), (130, 1577884), (140, 1465178), (143, 1434440), (154, 1331980), (182, 1127060), (188, 1091090), (218, 940940), (220, 932386), (235, 872872), (260, 788942), (280, 732589), (286, 717220), (308, 665990), (329, 623480), (364, 563530), (376, 545545), (385, 532792), (436, 470470), (440, 466193), (455, 450824), (470, 436436), (517, 396760), (520, 394471), (545, 376376), (572, 358610), (611, 335720), (616, 332995), (658, 311740), (715, 286888), (728, 281765), (763, 268840), (770, 266396), (872, 235235), (910, 225412), (940, 218218), (1001, 204920), (1034, 198380), (1090, 188188), (1144, 179305), (1199, 171080), (1222, 167860), (1316, 155870), (1417, 144760), (1430, 143444), (1526, 134420), (1540, 133198), (1645, 124696), (1820, 112706), (1880, 109109), (2002, 102460), (2068, 99190), (2180, 94094), (2398, 85540), (2444, 83930), (2585, 79352), (2632, 77935), (2834, 72380), (2860, 71722), (3052, 67210), (3055, 67144), (3080, 66599), (3290, 62348), (3619, 56680), (3640, 56353), (3815, 53768), (4004, 51230), (4136, 49595), (4277, 47960), (4360, 47047), (4796, 42770), (4888, 41965), (5005, 40984), (5123, 40040), (5170, 39676), (5668, 36190), (5720, 35861), (5995, 34216), (6104, 33605), (6110, 33572), (6580, 31174), (6721, 30520), (7085, 28952), (7238, 28340), (7630, 26884), (8008, 25615), (8393, 24440), (8554, 23980), (9592, 21385), (9919, 20680), (10010, 20492), (10246, 20020), (10340, 19838), (11336, 18095), (11990, 17108), (12220, 16786), (13160, 15587), (13442, 15260), (14170, 14476)]