205057860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{488233}}^1$

素因数の和:488252

約数の個数: 48

約数和(自身を含む): 656186496

約数和(自身を除く): 451128636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 488233, 976466, 1464699, 1952932, 2441165, 2929398, 3417631, 4882330, 5858796, 6835262, 7323495, 9764660, 10252893, 13670524, 14646990, 17088155, 20505786, 29293980, 34176310, 41011572, 51264465, 68352620, 102528930, 205057860]

約数ペア:

[(1, 205057860), (2, 102528930), (3, 68352620), (4, 51264465), (5, 41011572), (6, 34176310), (7, 29293980), (10, 20505786), (12, 17088155), (14, 14646990), (15, 13670524), (20, 10252893), (21, 9764660), (28, 7323495), (30, 6835262), (35, 5858796), (42, 4882330), (60, 3417631), (70, 2929398), (84, 2441165), (105, 1952932), (140, 1464699), (210, 976466), (420, 488233)]