139021400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 372000000

約数和(自身を除く): 232978600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 199, 200, 280, 350, 398, 499, 700, 796, 995, 998, 1393, 1400, 1592, 1990, 1996, 2495, 2786, 3493, 3980, 3992, 4975, 4990, 5572, 6965, 6986, 7960, 9950, 9980, 11144, 12475, 13930, 13972, 17465, 19900, 19960, 24950, 27860, 27944, 34825, 34930, 39800, 49900, 55720, 69650, 69860, 87325, 99301, 99800, 139300, 139720, 174650, 198602, 278600, 349300, 397204, 496505, 695107, 698600, 794408, 993010, 1390214, 1986020, 2482525, 2780428, 3475535, 3972040, 4965050, 5560856, 6951070, 9930100, 13902140, 17377675, 19860200, 27804280, 34755350, 69510700, 139021400]

約数ペア:

[(1, 139021400), (2, 69510700), (4, 34755350), (5, 27804280), (7, 19860200), (8, 17377675), (10, 13902140), (14, 9930100), (20, 6951070), (25, 5560856), (28, 4965050), (35, 3972040), (40, 3475535), (50, 2780428), (56, 2482525), (70, 1986020), (100, 1390214), (140, 993010), (175, 794408), (199, 698600), (200, 695107), (280, 496505), (350, 397204), (398, 349300), (499, 278600), (700, 198602), (796, 174650), (995, 139720), (998, 139300), (1393, 99800), (1400, 99301), (1592, 87325), (1990, 69860), (1996, 69650), (2495, 55720), (2786, 49900), (3493, 39800), (3980, 34930), (3992, 34825), (4975, 27944), (4990, 27860), (5572, 24950), (6965, 19960), (6986, 19900), (7960, 17465), (9950, 13972), (9980, 13930), (11144, 12475)]