387702140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2769301}}^1$

素因数の和:2769317

約数の個数: 24

約数和(自身を含む): 930485472

約数和(自身を除く): 542783332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2769301, 5538602, 11077204, 13846505, 19385107, 27693010, 38770214, 55386020, 77540428, 96925535, 193851070, 387702140]

約数ペア:

[(1, 387702140), (2, 193851070), (4, 96925535), (5, 77540428), (7, 55386020), (10, 38770214), (14, 27693010), (20, 19385107), (28, 13846505), (35, 11077204), (70, 5538602), (140, 2769301)]