490215600

素因数分解:

$2^4\times 3^2\times 5^2\times 7^3\times {\mathrm{397}}^1$

素因数の和:442

約数の個数: 360

約数和(自身を含む): 1988885600

約数和(自身を除く): 1498670000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 49, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 98, 100, 105, 112, 120, 126, 140, 144, 147, 150, 168, 175, 180, 196, 200, 210, 225, 240, 245, 252, 280, 294, 300, 315, 336, 343, 350, 360, 392, 397, 400, 420, 441, 450, 490, 504, 525, 560, 588, 600, 630, 686, 700, 720, 735, 784, 794, 840, 882, 900, 980, 1008, 1029, 1050, 1176, 1191, 1200, 1225, 1260, 1372, 1400, 1470, 1575, 1588, 1680, 1715, 1764, 1800, 1960, 1985, 2058, 2100, 2205, 2352, 2382, 2450, 2520, 2744, 2779, 2800, 2940, 3087, 3150, 3176, 3430, 3528, 3573, 3600, 3675, 3920, 3970, 4116, 4200, 4410, 4764, 4900, 5040, 5145, 5488, 5558, 5880, 5955, 6174, 6300, 6352, 6860, 7056, 7146, 7350, 7940, 8232, 8337, 8400, 8575, 8820, 9528, 9800, 9925, 10290, 11025, 11116, 11760, 11910, 12348, 12600, 13720, 13895, 14292, 14700, 15435, 15880, 16464, 16674, 17150, 17640, 17865, 19056, 19453, 19600, 19850, 20580, 22050, 22232, 23820, 24696, 25011, 25200, 25725, 27440, 27790, 28584, 29400, 29775, 30870, 31760, 33348, 34300, 35280, 35730, 38906, 39700, 41160, 41685, 44100, 44464, 47640, 49392, 50022, 51450, 55580, 57168, 58359, 58800, 59550, 61740, 66696, 68600, 69475, 71460, 77175, 77812, 79400, 82320, 83370, 88200, 89325, 95280, 97265, 100044, 102900, 111160, 116718, 119100, 123480, 125055, 133392, 136171, 137200, 138950, 142920, 154350, 155624, 158800, 166740, 175077, 176400, 178650, 194530, 200088, 205800, 208425, 222320, 233436, 238200, 246960, 250110, 272342, 277900, 285840, 291795, 308700, 311248, 333480, 350154, 357300, 389060, 400176, 408513, 411600, 416850, 466872, 476400, 486325, 500220, 544684, 555800, 583590, 617400, 625275, 666960, 680855, 700308, 714600, 778120, 817026, 833700, 875385, 933744, 972650, 1000440, 1089368, 1111600, 1167180, 1225539, 1234800, 1250550, 1361710, 1400616, 1429200, 1458975, 1556240, 1634052, 1667400, 1750770, 1945300, 2000880, 2042565, 2178736, 2334360, 2451078, 2501100, 2723420, 2801232, 2917950, 3268104, 3334800, 3404275, 3501540, 3890600, 4085130, 4376925, 4668720, 4902156, 5002200, 5446840, 5835900, 6127695, 6536208, 6808550, 7003080, 7781200, 8170260, 8753850, 9804312, 10004400, 10212825, 10893680, 11671800, 12255390, 13617100, 14006160, 16340520, 17507700, 19608624, 20425650, 23343600, 24510780, 27234200, 30638475, 32681040, 35015400, 40851300, 49021560, 54468400, 61276950, 70030800, 81702600, 98043120, 122553900, 163405200, 245107800, 490215600]

約数ペア:

[(1, 490215600), (2, 245107800), (3, 163405200), (4, 122553900), (5, 98043120), (6, 81702600), (7, 70030800), (8, 61276950), (9, 54468400), (10, 49021560), (12, 40851300), (14, 35015400), (15, 32681040), (16, 30638475), (18, 27234200), (20, 24510780), (21, 23343600), (24, 20425650), (25, 19608624), (28, 17507700), (30, 16340520), (35, 14006160), (36, 13617100), (40, 12255390), (42, 11671800), (45, 10893680), (48, 10212825), (49, 10004400), (50, 9804312), (56, 8753850), (60, 8170260), (63, 7781200), (70, 7003080), (72, 6808550), (75, 6536208), (80, 6127695), (84, 5835900), (90, 5446840), (98, 5002200), (100, 4902156), (105, 4668720), (112, 4376925), (120, 4085130), (126, 3890600), (140, 3501540), (144, 3404275), (147, 3334800), (150, 3268104), (168, 2917950), (175, 2801232), (180, 2723420), (196, 2501100), (200, 2451078), (210, 2334360), (225, 2178736), (240, 2042565), (245, 2000880), (252, 1945300), (280, 1750770), (294, 1667400), (300, 1634052), (315, 1556240), (336, 1458975), (343, 1429200), (350, 1400616), (360, 1361710), (392, 1250550), (397, 1234800), (400, 1225539), (420, 1167180), (441, 1111600), (450, 1089368), (490, 1000440), (504, 972650), (525, 933744), (560, 875385), (588, 833700), (600, 817026), (630, 778120), (686, 714600), (700, 700308), (720, 680855), (735, 666960), (784, 625275), (794, 617400), (840, 583590), (882, 555800), (900, 544684), (980, 500220), (1008, 486325), (1029, 476400), (1050, 466872), (1176, 416850), (1191, 411600), (1200, 408513), (1225, 400176), (1260, 389060), (1372, 357300), (1400, 350154), (1470, 333480), (1575, 311248), (1588, 308700), (1680, 291795), (1715, 285840), (1764, 277900), (1800, 272342), (1960, 250110), (1985, 246960), (2058, 238200), (2100, 233436), (2205, 222320), (2352, 208425), (2382, 205800), (2450, 200088), (2520, 194530), (2744, 178650), (2779, 176400), (2800, 175077), (2940, 166740), (3087, 158800), (3150, 155624), (3176, 154350), (3430, 142920), (3528, 138950), (3573, 137200), (3600, 136171), (3675, 133392), (3920, 125055), (3970, 123480), (4116, 119100), (4200, 116718), (4410, 111160), (4764, 102900), (4900, 100044), (5040, 97265), (5145, 95280), (5488, 89325), (5558, 88200), (5880, 83370), (5955, 82320), (6174, 79400), (6300, 77812), (6352, 77175), (6860, 71460), (7056, 69475), (7146, 68600), (7350, 66696), (7940, 61740), (8232, 59550), (8337, 58800), (8400, 58359), (8575, 57168), (8820, 55580), (9528, 51450), (9800, 50022), (9925, 49392), (10290, 47640), (11025, 44464), (11116, 44100), (11760, 41685), (11910, 41160), (12348, 39700), (12600, 38906), (13720, 35730), (13895, 35280), (14292, 34300), (14700, 33348), (15435, 31760), (15880, 30870), (16464, 29775), (16674, 29400), (17150, 28584), (17640, 27790), (17865, 27440), (19056, 25725), (19453, 25200), (19600, 25011), (19850, 24696), (20580, 23820), (22050, 22232)]