2181394760

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{747053}}^1$

素因数の和:747137

約数の個数: 32

約数和(自身を含む): 4975379640

約数和(自身を除く): 2793984880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 747053, 1494106, 2988212, 3735265, 5976424, 7470530, 14941060, 29882120, 54534869, 109069738, 218139476, 272674345, 436278952, 545348690, 1090697380, 2181394760]

約数ペア:

[(1, 2181394760), (2, 1090697380), (4, 545348690), (5, 436278952), (8, 272674345), (10, 218139476), (20, 109069738), (40, 54534869), (73, 29882120), (146, 14941060), (292, 7470530), (365, 5976424), (584, 3735265), (730, 2988212), (1460, 1494106), (2920, 747053)]