306001780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2185727}}^1$

素因数の和:2185743

約数の個数: 24

約数和(自身を含む): 734404608

約数和(自身を除く): 428402828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2185727, 4371454, 8742908, 10928635, 15300089, 21857270, 30600178, 43714540, 61200356, 76500445, 153000890, 306001780]

約数ペア:

[(1, 306001780), (2, 153000890), (4, 76500445), (5, 61200356), (7, 43714540), (10, 30600178), (14, 21857270), (20, 15300089), (28, 10928635), (35, 8742908), (70, 4371454), (140, 2185727)]