42756910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 90862560

約数和(自身を除く): 48105650

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 994, 1229, 2458, 2485, 3479, 4970, 6145, 6958, 8603, 12290, 17206, 17395, 34790, 43015, 60221, 86030, 87259, 120442, 174518, 301105, 436295, 602210, 610813, 872590, 1221626, 3054065, 4275691, 6108130, 8551382, 21378455, 42756910]

約数ペア:

[(1, 42756910), (2, 21378455), (5, 8551382), (7, 6108130), (10, 4275691), (14, 3054065), (35, 1221626), (49, 872590), (70, 610813), (71, 602210), (98, 436295), (142, 301105), (245, 174518), (355, 120442), (490, 87259), (497, 86030), (710, 60221), (994, 43015), (1229, 34790), (2458, 17395), (2485, 17206), (3479, 12290), (4970, 8603), (6145, 6958)]