8428000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 24648624

約数和(自身を除く): 16220624

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, 688, 700, 784, 800, 860, 875, 980, 1000, 1075, 1120, 1204, 1225, 1376, 1400, 1505, 1568, 1720, 1750, 1960, 2000, 2107, 2150, 2408, 2450, 2800, 3010, 3440, 3500, 3920, 4000, 4214, 4300, 4816, 4900, 5375, 5600, 6020, 6125, 6880, 7000, 7525, 7840, 8428, 8600, 9632, 9800, 10535, 10750, 12040, 12250, 14000, 15050, 16856, 17200, 19600, 21070, 21500, 24080, 24500, 28000, 30100, 33712, 34400, 37625, 39200, 42140, 43000, 48160, 49000, 52675, 60200, 67424, 75250, 84280, 86000, 98000, 105350, 120400, 150500, 168560, 172000, 196000, 210700, 240800, 263375, 301000, 337120, 421400, 526750, 602000, 842800, 1053500, 1204000, 1685600, 2107000, 4214000, 8428000]

約数ペア:

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