85400000

素因数分解:

$2^6\times 5^5\times 7^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 168

約数和(自身を含む): 246046752

約数和(自身を除く): 160646752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 61, 64, 70, 80, 100, 112, 122, 125, 140, 160, 175, 200, 224, 244, 250, 280, 305, 320, 350, 400, 427, 448, 488, 500, 560, 610, 625, 700, 800, 854, 875, 976, 1000, 1120, 1220, 1250, 1400, 1525, 1600, 1708, 1750, 1952, 2000, 2135, 2240, 2440, 2500, 2800, 3050, 3125, 3416, 3500, 3904, 4000, 4270, 4375, 4880, 5000, 5600, 6100, 6250, 6832, 7000, 7625, 8000, 8540, 8750, 9760, 10000, 10675, 11200, 12200, 12500, 13664, 14000, 15250, 17080, 17500, 19520, 20000, 21350, 21875, 24400, 25000, 27328, 28000, 30500, 34160, 35000, 38125, 40000, 42700, 43750, 48800, 50000, 53375, 56000, 61000, 68320, 70000, 76250, 85400, 87500, 97600, 100000, 106750, 122000, 136640, 140000, 152500, 170800, 175000, 190625, 200000, 213500, 244000, 266875, 280000, 305000, 341600, 350000, 381250, 427000, 488000, 533750, 610000, 683200, 700000, 762500, 854000, 1067500, 1220000, 1334375, 1400000, 1525000, 1708000, 2135000, 2440000, 2668750, 3050000, 3416000, 4270000, 5337500, 6100000, 8540000, 10675000, 12200000, 17080000, 21350000, 42700000, 85400000]

約数ペア:

[(1, 85400000), (2, 42700000), (4, 21350000), (5, 17080000), (7, 12200000), (8, 10675000), (10, 8540000), (14, 6100000), (16, 5337500), (20, 4270000), (25, 3416000), (28, 3050000), (32, 2668750), (35, 2440000), (40, 2135000), (50, 1708000), (56, 1525000), (61, 1400000), (64, 1334375), (70, 1220000), (80, 1067500), (100, 854000), (112, 762500), (122, 700000), (125, 683200), (140, 610000), (160, 533750), (175, 488000), (200, 427000), (224, 381250), (244, 350000), (250, 341600), (280, 305000), (305, 280000), (320, 266875), (350, 244000), (400, 213500), (427, 200000), (448, 190625), (488, 175000), (500, 170800), (560, 152500), (610, 140000), (625, 136640), (700, 122000), (800, 106750), (854, 100000), (875, 97600), (976, 87500), (1000, 85400), (1120, 76250), (1220, 70000), (1250, 68320), (1400, 61000), (1525, 56000), (1600, 53375), (1708, 50000), (1750, 48800), (1952, 43750), (2000, 42700), (2135, 40000), (2240, 38125), (2440, 35000), (2500, 34160), (2800, 30500), (3050, 28000), (3125, 27328), (3416, 25000), (3500, 24400), (3904, 21875), (4000, 21350), (4270, 20000), (4375, 19520), (4880, 17500), (5000, 17080), (5600, 15250), (6100, 14000), (6250, 13664), (6832, 12500), (7000, 12200), (7625, 11200), (8000, 10675), (8540, 10000), (8750, 9760)]