209379925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{811}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 271857600

約数和(自身を除く): 62477675

約数列:

[1, 5, 23, 25, 115, 449, 575, 811, 2245, 4055, 10327, 11225, 18653, 20275, 51635, 93265, 258175, 364139, 466325, 1820695, 8375197, 9103475, 41875985, 209379925]

約数ペア:

[(1, 209379925), (5, 41875985), (23, 9103475), (25, 8375197), (115, 1820695), (449, 466325), (575, 364139), (811, 258175), (2245, 93265), (4055, 51635), (10327, 20275), (11225, 18653)]