289916360

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{136753}}^1$

素因数の和:136817

約数の個数: 32

約数和(自身を含む): 664624440

約数和(自身を除く): 374708080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 136753, 273506, 547012, 683765, 1094024, 1367530, 2735060, 5470120, 7247909, 14495818, 28991636, 36239545, 57983272, 72479090, 144958180, 289916360]

約数ペア:

[(1, 289916360), (2, 144958180), (4, 72479090), (5, 57983272), (8, 36239545), (10, 28991636), (20, 14495818), (40, 7247909), (53, 5470120), (106, 2735060), (212, 1367530), (265, 1094024), (424, 683765), (530, 547012), (1060, 273506), (2120, 136753)]