19539100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 49107968

約数和(自身を除く): 29568868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 206, 271, 350, 412, 515, 542, 700, 721, 1030, 1084, 1355, 1442, 1897, 2060, 2575, 2710, 2884, 3605, 3794, 5150, 5420, 6775, 7210, 7588, 9485, 10300, 13550, 14420, 18025, 18970, 27100, 27913, 36050, 37940, 47425, 55826, 72100, 94850, 111652, 139565, 189700, 195391, 279130, 390782, 558260, 697825, 781564, 976955, 1395650, 1953910, 2791300, 3907820, 4884775, 9769550, 19539100]

約数ペア:

[(1, 19539100), (2, 9769550), (4, 4884775), (5, 3907820), (7, 2791300), (10, 1953910), (14, 1395650), (20, 976955), (25, 781564), (28, 697825), (35, 558260), (50, 390782), (70, 279130), (100, 195391), (103, 189700), (140, 139565), (175, 111652), (206, 94850), (271, 72100), (350, 55826), (412, 47425), (515, 37940), (542, 36050), (700, 27913), (721, 27100), (1030, 18970), (1084, 18025), (1355, 14420), (1442, 13550), (1897, 10300), (2060, 9485), (2575, 7588), (2710, 7210), (2884, 6775), (3605, 5420), (3794, 5150)]