28548200

素因数分解:

$2^3\times 5^2\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 66727500

約数和(自身を除く): 38179300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 349, 409, 698, 818, 1396, 1636, 1745, 2045, 2792, 3272, 3490, 4090, 6980, 8180, 8725, 10225, 13960, 16360, 17450, 20450, 34900, 40900, 69800, 81800, 142741, 285482, 570964, 713705, 1141928, 1427410, 2854820, 3568525, 5709640, 7137050, 14274100, 28548200]

約数ペア:

[(1, 28548200), (2, 14274100), (4, 7137050), (5, 5709640), (8, 3568525), (10, 2854820), (20, 1427410), (25, 1141928), (40, 713705), (50, 570964), (100, 285482), (200, 142741), (349, 81800), (409, 69800), (698, 40900), (818, 34900), (1396, 20450), (1636, 17450), (1745, 16360), (2045, 13960), (2792, 10225), (3272, 8725), (3490, 8180), (4090, 6980)]