1887788140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13484201}}^1$

素因数の和:13484217

約数の個数: 24

約数和(自身を含む): 4530691872

約数和(自身を除く): 2642903732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13484201, 26968402, 53936804, 67421005, 94389407, 134842010, 188778814, 269684020, 377557628, 471947035, 943894070, 1887788140]

約数ペア:

[(1, 1887788140), (2, 943894070), (4, 471947035), (5, 377557628), (7, 269684020), (10, 188778814), (14, 134842010), (20, 94389407), (28, 67421005), (35, 53936804), (70, 26968402), (140, 13484201)]