42140000

素因数分解:

$2^5\times 5^4\times 7^2\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 180

約数和(自身を含む): 123401124

約数和(自身を除く): 81261124

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 43, 49, 50, 56, 70, 80, 86, 98, 100, 112, 125, 140, 160, 172, 175, 196, 200, 215, 224, 245, 250, 280, 301, 344, 350, 392, 400, 430, 490, 500, 560, 602, 625, 688, 700, 784, 800, 860, 875, 980, 1000, 1075, 1120, 1204, 1225, 1250, 1376, 1400, 1505, 1568, 1720, 1750, 1960, 2000, 2107, 2150, 2408, 2450, 2500, 2800, 3010, 3440, 3500, 3920, 4000, 4214, 4300, 4375, 4816, 4900, 5000, 5375, 5600, 6020, 6125, 6880, 7000, 7525, 7840, 8428, 8600, 8750, 9632, 9800, 10000, 10535, 10750, 12040, 12250, 14000, 15050, 16856, 17200, 17500, 19600, 20000, 21070, 21500, 24080, 24500, 26875, 28000, 30100, 30625, 33712, 34400, 35000, 37625, 39200, 42140, 43000, 48160, 49000, 52675, 53750, 60200, 61250, 67424, 70000, 75250, 84280, 86000, 98000, 105350, 107500, 120400, 122500, 140000, 150500, 168560, 172000, 188125, 196000, 210700, 215000, 240800, 245000, 263375, 301000, 337120, 376250, 421400, 430000, 490000, 526750, 602000, 752500, 842800, 860000, 980000, 1053500, 1204000, 1316875, 1505000, 1685600, 2107000, 2633750, 3010000, 4214000, 5267500, 6020000, 8428000, 10535000, 21070000, 42140000]

約数ペア:

[(1, 42140000), (2, 21070000), (4, 10535000), (5, 8428000), (7, 6020000), (8, 5267500), (10, 4214000), (14, 3010000), (16, 2633750), (20, 2107000), (25, 1685600), (28, 1505000), (32, 1316875), (35, 1204000), (40, 1053500), (43, 980000), (49, 860000), (50, 842800), (56, 752500), (70, 602000), (80, 526750), (86, 490000), (98, 430000), (100, 421400), (112, 376250), (125, 337120), (140, 301000), (160, 263375), (172, 245000), (175, 240800), (196, 215000), (200, 210700), (215, 196000), (224, 188125), (245, 172000), (250, 168560), (280, 150500), (301, 140000), (344, 122500), (350, 120400), (392, 107500), (400, 105350), (430, 98000), (490, 86000), (500, 84280), (560, 75250), (602, 70000), (625, 67424), (688, 61250), (700, 60200), (784, 53750), (800, 52675), (860, 49000), (875, 48160), (980, 43000), (1000, 42140), (1075, 39200), (1120, 37625), (1204, 35000), (1225, 34400), (1250, 33712), (1376, 30625), (1400, 30100), (1505, 28000), (1568, 26875), (1720, 24500), (1750, 24080), (1960, 21500), (2000, 21070), (2107, 20000), (2150, 19600), (2408, 17500), (2450, 17200), (2500, 16856), (2800, 15050), (3010, 14000), (3440, 12250), (3500, 12040), (3920, 10750), (4000, 10535), (4214, 10000), (4300, 9800), (4375, 9632), (4816, 8750), (4900, 8600), (5000, 8428), (5375, 7840), (5600, 7525), (6020, 7000), (6125, 6880)]