28803400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1823}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 67852800

約数和(自身を除く): 39049400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1823, 1975, 3160, 3646, 3950, 7292, 7900, 9115, 14584, 15800, 18230, 36460, 45575, 72920, 91150, 144017, 182300, 288034, 364600, 576068, 720085, 1152136, 1440170, 2880340, 3600425, 5760680, 7200850, 14401700, 28803400]

約数ペア:

[(1, 28803400), (2, 14401700), (4, 7200850), (5, 5760680), (8, 3600425), (10, 2880340), (20, 1440170), (25, 1152136), (40, 720085), (50, 576068), (79, 364600), (100, 288034), (158, 182300), (200, 144017), (316, 91150), (395, 72920), (632, 45575), (790, 36460), (1580, 18230), (1823, 15800), (1975, 14584), (3160, 9115), (3646, 7900), (3950, 7292)]