207788140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1484201}}^1$

素因数の和:1484217

約数の個数: 24

約数和(自身を含む): 498691872

約数和(自身を除く): 290903732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1484201, 2968402, 5936804, 7421005, 10389407, 14842010, 20778814, 29684020, 41557628, 51947035, 103894070, 207788140]

約数ペア:

[(1, 207788140), (2, 103894070), (4, 51947035), (5, 41557628), (7, 29684020), (10, 20778814), (14, 14842010), (20, 10389407), (28, 7421005), (35, 5936804), (70, 2968402), (140, 1484201)]