139771520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{4457}}^1$

素因数の和:4490

約数の個数: 96

約数和(自身を含む): 388782180

約数和(自身を除く): 249010660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4457, 4480, 6272, 7840, 8914, 15680, 17828, 22285, 31199, 31360, 35656, 44570, 62398, 71312, 89140, 124796, 142624, 155995, 178280, 218393, 249592, 285248, 311990, 356560, 436786, 499184, 570496, 623980, 713120, 873572, 998368, 1091965, 1247960, 1426240, 1747144, 1996736, 2183930, 2495920, 2852480, 3494288, 3993472, 4367860, 4991840, 6988576, 8735720, 9983680, 13977152, 17471440, 19967360, 27954304, 34942880, 69885760, 139771520]

約数ペア:

[(1, 139771520), (2, 69885760), (4, 34942880), (5, 27954304), (7, 19967360), (8, 17471440), (10, 13977152), (14, 9983680), (16, 8735720), (20, 6988576), (28, 4991840), (32, 4367860), (35, 3993472), (40, 3494288), (49, 2852480), (56, 2495920), (64, 2183930), (70, 1996736), (80, 1747144), (98, 1426240), (112, 1247960), (128, 1091965), (140, 998368), (160, 873572), (196, 713120), (224, 623980), (245, 570496), (280, 499184), (320, 436786), (392, 356560), (448, 311990), (490, 285248), (560, 249592), (640, 218393), (784, 178280), (896, 155995), (980, 142624), (1120, 124796), (1568, 89140), (1960, 71312), (2240, 62398), (3136, 44570), (3920, 35656), (4457, 31360), (4480, 31199), (6272, 22285), (7840, 17828), (8914, 15680)]