202465940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 434380800

約数和(自身を除く): 231914860

約数列:

[1, 2, 4, 5, 10, 20, 79, 127, 158, 254, 316, 395, 508, 635, 790, 1009, 1270, 1580, 2018, 2540, 4036, 5045, 10033, 10090, 20066, 20180, 40132, 50165, 79711, 100330, 128143, 159422, 200660, 256286, 318844, 398555, 512572, 640715, 797110, 1281430, 1594220, 2562860, 10123297, 20246594, 40493188, 50616485, 101232970, 202465940]

約数ペア:

[(1, 202465940), (2, 101232970), (4, 50616485), (5, 40493188), (10, 20246594), (20, 10123297), (79, 2562860), (127, 1594220), (158, 1281430), (254, 797110), (316, 640715), (395, 512572), (508, 398555), (635, 318844), (790, 256286), (1009, 200660), (1270, 159422), (1580, 128143), (2018, 100330), (2540, 79711), (4036, 50165), (5045, 40132), (10033, 20180), (10090, 20066)]