131437600

素因数分解:

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

素因数の和:520

約数の個数: 144

約数和(自身を含む): 374976000

約数和(自身を除く): 243538400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 343, 350, 392, 400, 479, 490, 560, 686, 700, 784, 800, 958, 980, 1120, 1225, 1372, 1400, 1568, 1715, 1916, 1960, 2395, 2450, 2744, 2800, 3353, 3430, 3832, 3920, 4790, 4900, 5488, 5600, 6706, 6860, 7664, 7840, 8575, 9580, 9800, 10976, 11975, 13412, 13720, 15328, 16765, 17150, 19160, 19600, 23471, 23950, 26824, 27440, 33530, 34300, 38320, 39200, 46942, 47900, 53648, 54880, 67060, 68600, 76640, 83825, 93884, 95800, 107296, 117355, 134120, 137200, 164297, 167650, 187768, 191600, 234710, 268240, 274400, 328594, 335300, 375536, 383200, 469420, 536480, 586775, 657188, 670600, 751072, 821485, 938840, 1173550, 1314376, 1341200, 1642970, 1877680, 2347100, 2628752, 2682400, 3285940, 3755360, 4107425, 4694200, 5257504, 6571880, 8214850, 9388400, 13143760, 16429700, 18776800, 26287520, 32859400, 65718800, 131437600]

約数ペア:

[(1, 131437600), (2, 65718800), (4, 32859400), (5, 26287520), (7, 18776800), (8, 16429700), (10, 13143760), (14, 9388400), (16, 8214850), (20, 6571880), (25, 5257504), (28, 4694200), (32, 4107425), (35, 3755360), (40, 3285940), (49, 2682400), (50, 2628752), (56, 2347100), (70, 1877680), (80, 1642970), (98, 1341200), (100, 1314376), (112, 1173550), (140, 938840), (160, 821485), (175, 751072), (196, 670600), (200, 657188), (224, 586775), (245, 536480), (280, 469420), (343, 383200), (350, 375536), (392, 335300), (400, 328594), (479, 274400), (490, 268240), (560, 234710), (686, 191600), (700, 187768), (784, 167650), (800, 164297), (958, 137200), (980, 134120), (1120, 117355), (1225, 107296), (1372, 95800), (1400, 93884), (1568, 83825), (1715, 76640), (1916, 68600), (1960, 67060), (2395, 54880), (2450, 53648), (2744, 47900), (2800, 46942), (3353, 39200), (3430, 38320), (3832, 34300), (3920, 33530), (4790, 27440), (4900, 26824), (5488, 23950), (5600, 23471), (6706, 19600), (6860, 19160), (7664, 17150), (7840, 16765), (8575, 15328), (9580, 13720), (9800, 13412), (10976, 11975)]