157230890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1291}}^1$

素因数の和:1958

約数の個数: 32

約数和(自身を含む): 298607040

約数和(自身を除く): 141376150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 641, 1282, 1291, 2582, 3205, 6410, 6455, 12179, 12910, 24358, 24529, 49058, 60895, 121790, 122645, 245290, 827531, 1655062, 4137655, 8275310, 15723089, 31446178, 78615445, 157230890]

約数ペア:

[(1, 157230890), (2, 78615445), (5, 31446178), (10, 15723089), (19, 8275310), (38, 4137655), (95, 1655062), (190, 827531), (641, 245290), (1282, 122645), (1291, 121790), (2582, 60895), (3205, 49058), (6410, 24529), (6455, 24358), (12179, 12910)]