204547970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{80849}}^1$

素因数の和:80890

約数の個数: 32

約数和(自身を含む): 419126400

約数和(自身を除く): 214578430

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 80849, 161698, 404245, 808490, 889339, 1778678, 1859527, 3719054, 4446695, 8893390, 9297635, 18595270, 20454797, 40909594, 102273985, 204547970]

約数ペア:

[(1, 204547970), (2, 102273985), (5, 40909594), (10, 20454797), (11, 18595270), (22, 9297635), (23, 8893390), (46, 4446695), (55, 3719054), (110, 1859527), (115, 1778678), (230, 889339), (253, 808490), (506, 404245), (1265, 161698), (2530, 80849)]