77808220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{859}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 187246080

約数和(自身を除く): 109437860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 859, 1294, 1718, 2588, 3235, 3436, 4295, 4529, 6013, 6470, 8590, 9058, 12026, 12940, 17180, 18116, 22645, 24052, 30065, 45290, 60130, 90580, 120260, 555773, 1111546, 2223092, 2778865, 3890411, 5557730, 7780822, 11115460, 15561644, 19452055, 38904110, 77808220]

約数ペア:

[(1, 77808220), (2, 38904110), (4, 19452055), (5, 15561644), (7, 11115460), (10, 7780822), (14, 5557730), (20, 3890411), (28, 2778865), (35, 2223092), (70, 1111546), (140, 555773), (647, 120260), (859, 90580), (1294, 60130), (1718, 45290), (2588, 30065), (3235, 24052), (3436, 22645), (4295, 18116), (4529, 17180), (6013, 12940), (6470, 12026), (8590, 9058)]