1020778885

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{195739}}^1$

素因数の和:195900

約数の個数: 16

約数和(自身を含む): 1409328000

約数和(自身を除く): 388549115

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 195739, 978695, 1370173, 6850865, 29165111, 145825555, 204155777, 1020778885]

約数ペア:

[(1, 1020778885), (5, 204155777), (7, 145825555), (35, 29165111), (149, 6850865), (745, 1370173), (1043, 978695), (5215, 195739)]