31990900

素因数分解:

$2^2\times 5^2\times {\mathrm{233}}^1\times {\mathrm{1373}}^1$

素因数の和:1620

約数の個数: 36

約数和(自身を含む): 69768972

約数和(自身を除く): 37778072

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 233, 466, 932, 1165, 1373, 2330, 2746, 4660, 5492, 5825, 6865, 11650, 13730, 23300, 27460, 34325, 68650, 137300, 319909, 639818, 1279636, 1599545, 3199090, 6398180, 7997725, 15995450, 31990900]

約数ペア:

[(1, 31990900), (2, 15995450), (4, 7997725), (5, 6398180), (10, 3199090), (20, 1599545), (25, 1279636), (50, 639818), (100, 319909), (233, 137300), (466, 68650), (932, 34325), (1165, 27460), (1373, 23300), (2330, 13730), (2746, 11650), (4660, 6865), (5492, 5825)]