1252688920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 3457209600

約数和(自身を除く): 2204520680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 53, 56, 62, 70, 98, 106, 124, 140, 155, 196, 212, 217, 245, 248, 265, 280, 310, 371, 389, 392, 424, 434, 490, 530, 620, 742, 778, 868, 980, 1060, 1085, 1240, 1484, 1519, 1556, 1643, 1736, 1855, 1945, 1960, 2120, 2170, 2597, 2723, 2968, 3038, 3112, 3286, 3710, 3890, 4340, 5194, 5446, 6076, 6572, 7420, 7595, 7780, 8215, 8680, 10388, 10892, 11501, 12059, 12152, 12985, 13144, 13615, 14840, 15190, 15560, 16430, 19061, 20617, 20776, 21784, 23002, 24118, 25970, 27230, 30380, 32860, 38122, 41234, 46004, 48236, 51940, 54460, 57505, 60295, 60760, 65720, 76244, 80507, 82468, 84413, 92008, 95305, 96472, 103085, 103880, 108920, 115010, 120590, 144319, 152488, 161014, 164936, 168826, 190610, 206170, 230020, 241180, 288638, 322028, 337652, 381220, 402535, 412340, 422065, 460040, 482360, 577276, 590891, 639127, 644056, 675304, 721595, 762440, 805070, 824680, 844130, 1010233, 1154552, 1181782, 1278254, 1443190, 1610140, 1688260, 2020466, 2363564, 2556508, 2886380, 2954455, 3195635, 3220280, 3376520, 4040932, 4473889, 4727128, 5051165, 5113016, 5772760, 5908910, 6391270, 8081864, 8947778, 10102330, 11817820, 12782540, 17895556, 20204660, 22369445, 23635640, 25565080, 31317223, 35791112, 40409320, 44738890, 62634446, 89477780, 125268892, 156586115, 178955560, 250537784, 313172230, 626344460, 1252688920]

約数ペア:

[(1, 1252688920), (2, 626344460), (4, 313172230), (5, 250537784), (7, 178955560), (8, 156586115), (10, 125268892), (14, 89477780), (20, 62634446), (28, 44738890), (31, 40409320), (35, 35791112), (40, 31317223), (49, 25565080), (53, 23635640), (56, 22369445), (62, 20204660), (70, 17895556), (98, 12782540), (106, 11817820), (124, 10102330), (140, 8947778), (155, 8081864), (196, 6391270), (212, 5908910), (217, 5772760), (245, 5113016), (248, 5051165), (265, 4727128), (280, 4473889), (310, 4040932), (371, 3376520), (389, 3220280), (392, 3195635), (424, 2954455), (434, 2886380), (490, 2556508), (530, 2363564), (620, 2020466), (742, 1688260), (778, 1610140), (868, 1443190), (980, 1278254), (1060, 1181782), (1085, 1154552), (1240, 1010233), (1484, 844130), (1519, 824680), (1556, 805070), (1643, 762440), (1736, 721595), (1855, 675304), (1945, 644056), (1960, 639127), (2120, 590891), (2170, 577276), (2597, 482360), (2723, 460040), (2968, 422065), (3038, 412340), (3112, 402535), (3286, 381220), (3710, 337652), (3890, 322028), (4340, 288638), (5194, 241180), (5446, 230020), (6076, 206170), (6572, 190610), (7420, 168826), (7595, 164936), (7780, 161014), (8215, 152488), (8680, 144319), (10388, 120590), (10892, 115010), (11501, 108920), (12059, 103880), (12152, 103085), (12985, 96472), (13144, 95305), (13615, 92008), (14840, 84413), (15190, 82468), (15560, 80507), (16430, 76244), (19061, 65720), (20617, 60760), (20776, 60295), (21784, 57505), (23002, 54460), (24118, 51940), (25970, 48236), (27230, 46004), (30380, 41234), (32860, 38122)]