380870840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1360253}}^1$

素因数の和:1360271

約数の個数: 32

約数和(自身を含む): 979382880

約数和(自身を除く): 598512040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1360253, 2720506, 5441012, 6801265, 9521771, 10882024, 13602530, 19043542, 27205060, 38087084, 47608855, 54410120, 76174168, 95217710, 190435420, 380870840]

約数ペア:

[(1, 380870840), (2, 190435420), (4, 95217710), (5, 76174168), (7, 54410120), (8, 47608855), (10, 38087084), (14, 27205060), (20, 19043542), (28, 13602530), (35, 10882024), (40, 9521771), (56, 6801265), (70, 5441012), (140, 2720506), (280, 1360253)]