28985380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19853}}^1$

素因数の和:19935

約数の個数: 24

約数和(自身を含む): 61706232

約数和(自身を除く): 32720852

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19853, 39706, 79412, 99265, 198530, 397060, 1449269, 2898538, 5797076, 7246345, 14492690, 28985380]

約数ペア:

[(1, 28985380), (2, 14492690), (4, 7246345), (5, 5797076), (10, 2898538), (20, 1449269), (73, 397060), (146, 198530), (292, 99265), (365, 79412), (730, 39706), (1460, 19853)]