2771440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{101}}^1$

素因数の和:135

約数の個数: 80

約数和(自身を含む): 7588800

約数和(自身を除く): 4817360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 101, 112, 140, 196, 202, 245, 280, 343, 392, 404, 490, 505, 560, 686, 707, 784, 808, 980, 1010, 1372, 1414, 1616, 1715, 1960, 2020, 2744, 2828, 3430, 3535, 3920, 4040, 4949, 5488, 5656, 6860, 7070, 8080, 9898, 11312, 13720, 14140, 19796, 24745, 27440, 28280, 34643, 39592, 49490, 56560, 69286, 79184, 98980, 138572, 173215, 197960, 277144, 346430, 395920, 554288, 692860, 1385720, 2771440]

約数ペア:

[(1, 2771440), (2, 1385720), (4, 692860), (5, 554288), (7, 395920), (8, 346430), (10, 277144), (14, 197960), (16, 173215), (20, 138572), (28, 98980), (35, 79184), (40, 69286), (49, 56560), (56, 49490), (70, 39592), (80, 34643), (98, 28280), (101, 27440), (112, 24745), (140, 19796), (196, 14140), (202, 13720), (245, 11312), (280, 9898), (343, 8080), (392, 7070), (404, 6860), (490, 5656), (505, 5488), (560, 4949), (686, 4040), (707, 3920), (784, 3535), (808, 3430), (980, 2828), (1010, 2744), (1372, 2020), (1414, 1960), (1616, 1715)]