128701630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1543}}^1$

素因数の和:2008

約数の個数: 32

約数和(自身を含む): 244569600

約数和(自身を除く): 115867970

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 439, 878, 1543, 2195, 3086, 4390, 7715, 8341, 15430, 16682, 29317, 41705, 58634, 83410, 146585, 293170, 677377, 1354754, 3386885, 6773770, 12870163, 25740326, 64350815, 128701630]

約数ペア:

[(1, 128701630), (2, 64350815), (5, 25740326), (10, 12870163), (19, 6773770), (38, 3386885), (95, 1354754), (190, 677377), (439, 293170), (878, 146585), (1543, 83410), (2195, 58634), (3086, 41705), (4390, 29317), (7715, 16682), (8341, 15430)]