28577142860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204122449}}^1$

素因数の和:204122465

約数の個数: 24

約数和(自身を含む): 68585143200

約数和(自身を除く): 40008000340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204122449, 408244898, 816489796, 1020612245, 1428857143, 2041224490, 2857714286, 4082448980, 5715428572, 7144285715, 14288571430, 28577142860]

約数ペア:

[(1, 28577142860), (2, 14288571430), (4, 7144285715), (5, 5715428572), (7, 4082448980), (10, 2857714286), (14, 2041224490), (20, 1428857143), (28, 1020612245), (35, 816489796), (70, 408244898), (140, 204122449)]