312440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 719280

約数和(自身を除く): 406840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 107, 146, 214, 292, 365, 428, 535, 584, 730, 856, 1070, 1460, 2140, 2920, 4280, 7811, 15622, 31244, 39055, 62488, 78110, 156220, 312440]

約数ペア:

[(1, 312440), (2, 156220), (4, 78110), (5, 62488), (8, 39055), (10, 31244), (20, 15622), (40, 7811), (73, 4280), (107, 2920), (146, 2140), (214, 1460), (292, 1070), (365, 856), (428, 730), (535, 584)]