393274760

素因数分解:

$2^3\times 5^1\times {\mathrm{9831869}}^1$

素因数の和:9831880

約数の個数: 16

約数和(自身を含む): 884868300

約数和(自身を除く): 491593540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9831869, 19663738, 39327476, 49159345, 78654952, 98318690, 196637380, 393274760]

約数ペア:

[(1, 393274760), (2, 196637380), (4, 98318690), (5, 78654952), (8, 49159345), (10, 39327476), (20, 19663738), (40, 9831869)]