140728000

素因数分解:

$2^6\times 5^3\times 7^2\times {\mathrm{359}}^1$

素因数の和:400

約数の個数: 168

約数和(自身を含む): 406542240

約数和(自身を除く): 265814240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 320, 350, 359, 392, 400, 448, 490, 500, 560, 700, 718, 784, 800, 875, 980, 1000, 1120, 1225, 1400, 1436, 1568, 1600, 1750, 1795, 1960, 2000, 2240, 2450, 2513, 2800, 2872, 3136, 3500, 3590, 3920, 4000, 4900, 5026, 5600, 5744, 6125, 7000, 7180, 7840, 8000, 8975, 9800, 10052, 11200, 11488, 12250, 12565, 14000, 14360, 15680, 17591, 17950, 19600, 20104, 22976, 24500, 25130, 28000, 28720, 35182, 35900, 39200, 40208, 44875, 49000, 50260, 56000, 57440, 62825, 70364, 71800, 78400, 80416, 87955, 89750, 98000, 100520, 114880, 125650, 140728, 143600, 160832, 175910, 179500, 196000, 201040, 251300, 281456, 287200, 314125, 351820, 359000, 392000, 402080, 439775, 502600, 562912, 574400, 628250, 703640, 718000, 804160, 879550, 1005200, 1125824, 1256500, 1407280, 1436000, 1759100, 2010400, 2198875, 2513000, 2814560, 2872000, 3518200, 4020800, 4397750, 5026000, 5629120, 7036400, 8795500, 10052000, 14072800, 17591000, 20104000, 28145600, 35182000, 70364000, 140728000]

約数ペア:

[(1, 140728000), (2, 70364000), (4, 35182000), (5, 28145600), (7, 20104000), (8, 17591000), (10, 14072800), (14, 10052000), (16, 8795500), (20, 7036400), (25, 5629120), (28, 5026000), (32, 4397750), (35, 4020800), (40, 3518200), (49, 2872000), (50, 2814560), (56, 2513000), (64, 2198875), (70, 2010400), (80, 1759100), (98, 1436000), (100, 1407280), (112, 1256500), (125, 1125824), (140, 1005200), (160, 879550), (175, 804160), (196, 718000), (200, 703640), (224, 628250), (245, 574400), (250, 562912), (280, 502600), (320, 439775), (350, 402080), (359, 392000), (392, 359000), (400, 351820), (448, 314125), (490, 287200), (500, 281456), (560, 251300), (700, 201040), (718, 196000), (784, 179500), (800, 175910), (875, 160832), (980, 143600), (1000, 140728), (1120, 125650), (1225, 114880), (1400, 100520), (1436, 98000), (1568, 89750), (1600, 87955), (1750, 80416), (1795, 78400), (1960, 71800), (2000, 70364), (2240, 62825), (2450, 57440), (2513, 56000), (2800, 50260), (2872, 49000), (3136, 44875), (3500, 40208), (3590, 39200), (3920, 35900), (4000, 35182), (4900, 28720), (5026, 28000), (5600, 25130), (5744, 24500), (6125, 22976), (7000, 20104), (7180, 19600), (7840, 17950), (8000, 17591), (8975, 15680), (9800, 14360), (10052, 14000), (11200, 12565), (11488, 12250)]