399012920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{525017}}^1$

素因数の和:525047

約数の個数: 32

約数和(自身を含む): 945032400

約数和(自身を除く): 546019480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 525017, 1050034, 2100068, 2625085, 4200136, 5250170, 9975323, 10500340, 19950646, 21000680, 39901292, 49876615, 79802584, 99753230, 199506460, 399012920]

約数ペア:

[(1, 399012920), (2, 199506460), (4, 99753230), (5, 79802584), (8, 49876615), (10, 39901292), (19, 21000680), (20, 19950646), (38, 10500340), (40, 9975323), (76, 5250170), (95, 4200136), (152, 2625085), (190, 2100068), (380, 1050034), (760, 525017)]