238889090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{10391}}^1$

素因数の和:10439

約数の個数: 48

約数和(自身を含む): 497568960

約数和(自身を除く): 258679870

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 1045, 1210, 2090, 2299, 4598, 10391, 11495, 20782, 22990, 51955, 103910, 114301, 197429, 228602, 394858, 571505, 987145, 1143010, 1257311, 1974290, 2171719, 2514622, 4343438, 6286555, 10858595, 12573110, 21717190, 23888909, 47777818, 119444545, 238889090]

約数ペア:

[(1, 238889090), (2, 119444545), (5, 47777818), (10, 23888909), (11, 21717190), (19, 12573110), (22, 10858595), (38, 6286555), (55, 4343438), (95, 2514622), (110, 2171719), (121, 1974290), (190, 1257311), (209, 1143010), (242, 987145), (418, 571505), (605, 394858), (1045, 228602), (1210, 197429), (2090, 114301), (2299, 103910), (4598, 51955), (10391, 22990), (11495, 20782)]