31182900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 106659840

約数和(自身を除く): 75476940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 350, 372, 420, 434, 465, 479, 525, 620, 651, 700, 775, 868, 930, 958, 1050, 1085, 1302, 1437, 1550, 1860, 1916, 2100, 2170, 2325, 2395, 2604, 2874, 3100, 3255, 3353, 4340, 4650, 4790, 5425, 5748, 6510, 6706, 7185, 9300, 9580, 10059, 10850, 11975, 13020, 13412, 14370, 14849, 16275, 16765, 20118, 21700, 23950, 28740, 29698, 32550, 33530, 35925, 40236, 44547, 47900, 50295, 59396, 65100, 67060, 71850, 74245, 83825, 89094, 100590, 103943, 143700, 148490, 167650, 178188, 201180, 207886, 222735, 251475, 296980, 311829, 335300, 371225, 415772, 445470, 502950, 519715, 623658, 742450, 890940, 1005900, 1039430, 1113675, 1247316, 1484900, 1559145, 2078860, 2227350, 2598575, 3118290, 4454700, 5197150, 6236580, 7795725, 10394300, 15591450, 31182900]

約数ペア:

[(1, 31182900), (2, 15591450), (3, 10394300), (4, 7795725), (5, 6236580), (6, 5197150), (7, 4454700), (10, 3118290), (12, 2598575), (14, 2227350), (15, 2078860), (20, 1559145), (21, 1484900), (25, 1247316), (28, 1113675), (30, 1039430), (31, 1005900), (35, 890940), (42, 742450), (50, 623658), (60, 519715), (62, 502950), (70, 445470), (75, 415772), (84, 371225), (93, 335300), (100, 311829), (105, 296980), (124, 251475), (140, 222735), (150, 207886), (155, 201180), (175, 178188), (186, 167650), (210, 148490), (217, 143700), (300, 103943), (310, 100590), (350, 89094), (372, 83825), (420, 74245), (434, 71850), (465, 67060), (479, 65100), (525, 59396), (620, 50295), (651, 47900), (700, 44547), (775, 40236), (868, 35925), (930, 33530), (958, 32550), (1050, 29698), (1085, 28740), (1302, 23950), (1437, 21700), (1550, 20118), (1860, 16765), (1916, 16275), (2100, 14849), (2170, 14370), (2325, 13412), (2395, 13020), (2604, 11975), (2874, 10850), (3100, 10059), (3255, 9580), (3353, 9300), (4340, 7185), (4650, 6706), (4790, 6510), (5425, 5748)]